Statistics and Probability questions and answers in January 2023

---Claim: Fewer than 11.1​% of homes have only a landline telephone and no wireless phone. Sample​ data: A survey by the National Center for Health Statistics showed that among 13,550 homes 5.75?...
The data represent the results for a test for a certain disease. Assume one individual from the group is randomly selected. Find the probability of getting someone who tested positive​, given that h...
Suppose that 53% of all registered voters prefer presidential candidate Smith to presidential candidate Jones. (You can substitute the names of the most recent presidential candidates.) Round your ans...
What did entering data, classifying the variables, and summarizing data into frequency distributions tell you about variables, data, and statistical methods? Please provide an example from your life o...
 . Make a dot plot for each data set. Snack choice: 3 pretzels, 5, chips, 8 cookies, 5 popcorn, 3 fruit Favorite Movie Genre: 4 Comedy, 5 Sci-Fi, 7 Action, 2 Drama, 4 Suspense, 3 Horror Education Lev...
 . Make a bar chart for each data set. Pizza topping: 3 mushrooms, 6 pepperoni, 4 sausage, 8 cheese Sport: 5 football, 4 basketball, 2 soccer Employment Status: 10 Part-time, 15 Full-time, 3 Retired,...
Explain the flaw in this argument and rewrite it as a valid statement. The probability of throwing a 6 on a fair die = 1/6. Therefore, the probability of throwing at least one six in six tosses of the...
Data 1 : The following is the responses of 38 respondents to the question, "what region of the US do you live in?" "Southwest, Southeast, Southeast, Midwest, West, Midwest, Southeast, Southwest, South...
Dice Rolls. Construct a spreadsheet simulation model to simulate 1,000 rolls of a die with the six sides numbered 1, 2, 3, 4, 5, and 6. a. Construct a histogram of the 1,000 observed dice rolls. b. Fo...
Virtual Reality Goggle Inventory. Galaxy Co. sells virtual reality (VR) goggles, particularly targeting customers who like to play video games. Galaxy procures each pair of goggles for $150 from its s...
The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normally distributed random variable with a mean of / = 27.0 mpg and a standard deviation...
Given the sample data. x : 23 19 15 30 27   (a) Find the range.   Verify that Σ x = 114 and Σ x 2 = 2,744.    Σ x  =    Σ x 2  =      Use the results of part (b) and appropriate computa...
In some reports, the mean and coefficient of variation are given. For instance, one report gives the average number of physician visits by males per year. The average reported is 2.8, and the reported...
using SAS. I need the code    Mean of "Final Average" (Round answer to 2 decimal places)  Median of "Final Average" (Round answer to 2 decimal places)  Standard deviation of "Final Average" (Round...
A population's standard deviation is 13. We want to estimate the population mean with a margin of error of 3, with a 99% level of confidence. Use  t Distribution Table & z Distribution Table  Ho...
IS THIS CORRECT?. This is a hypergeometric random variable (a certain number of successes without replacement), and every marble's outcome affects the probability for the next marble. If sample size i...
In this problem, we explore the effect on the standard deviation of adding the same constant to each data value in a data set. Consider the following data set. 10, 14, 12, 4, 12 Use the defining formu...
  Construct an ordered stem and leaf plot with one line per swim. [10 points]  3. The quiz scores of 14 MAT 101 students are listed below: 15 27 50 62 64 65 68 75 79 80 81 84 85 86    5. An articl...
Assume the following new probabilities: P(Customer makes a purchase) = 0.600 P(Customer does not make a purchase) = 1- 0.600 Compute the probability that neither customer purchases (# purchases = 0)...
List what the  a) independent variable  b) dependent variable   c) experimental  d) control group    A study was done to look at the effects of sugar and electrolytes on college students' perfo...
Compute the mean total weight loss using the following information: Person No. Gender Weight Loss 1 F 3 2 F 4 3 M 7 4 F 10 5 M 6 6 F 2 7 F 3 8 M 11 9 M 5 10 F 5 Please give your answer as number to th...
Compute the mean weight loss for women using the following information: Person No. Gender Weight Loss 1 F 3 2 F 4 3 M 7 4 F 10 5 M 6 6 F 2 7 F 3 8 M 11 9 M 5 10 F 5 Please give your answer as number ...
Example: Below is a table of 16 quiz scores ordered (and indexed) from least to greatest.  index 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 score 15 24 27 31 36 37 37 38 40 41 42 43 44 45 48 50   (a)  ...
  Compute the correlation between Year_3 and Year_15. (Choose Stat > Basic Statistics > Correlation) Provide a screenshot of your results and also write a sentence clearly identifying your answ...
At a large business, employees must report to work at 7:30 A.M. The arrival time of employees can be described by a normal model with mean of 7:22 A.M. and a standard deviation of 4 minutes. What perc...
This is the regression model using Year_3 to predict Year_15: Year_15 = - 10.67 + 1.861 Year_3 Interpret the slope of the regression equation above by filling in the following blanks: For every one un...
Area of Interest: Speech, Language, and hearing Sciences  Question: How would I make an example out of my area of interest?    -Name a variable in your area of interest that you feel would have a s...
Steve Husky estimates the probability the University of Washington women's golf team wins the NCAA championship in 2022 (Event 1) equals 0.30 and the probability the University of Washington baseball ...
A bag contains 8 marbles. There are 3 green marbles, 1 red marble, 2 blue  marbles, and 2 yellow marbles.  a. Write the sample space describing all possible outcomes.  b. Then find the probability ...
Data 1 : The following is the responses of 38 respondents to the question, "what region of the US do you live in?" "Southwest, Southeast, Southeast, Midwest, West, Midwest, Southeast, Southwest, South...
4.∗ Parameters -vs- Statistics: Determine whether the given piece of information is most likely a parameter or a statistic. Ie. Determine if the quoted value came from population or sample data. (a)...
 . Boxplot of Exercise 20 Exercise 10 Summary Statistics N Minimum Q1 Median Q3 Maximum 95% Median Cl 50 0 '4 '10 13.25 36 (6, 12) A sample of 50 college students was surveyed and asked how many ...
Please assist with P value with work/explanation and last 2 questions! . Chi-square analysis of Mendel's data If the P value is less than 0.05, the difference between the observed and expected result...
   . In a certain test: there is a multiple choice question with the possible answers a: b c: d, and e. By randomly guessing, the chances of getting the correct answer are stated as "1 in 5.&qu...
  The first coffee shop has four different cup sizes (8 oz, 10 oz, 12 oz, and 14 oz). Each customer has to order one of those sizes. After each customer orders a drink, the person behind the counter ...
I want you to tell me the difference between a Type I and a Type II error. Define each error (you can use the book's words if you like). Tell me in your own words what a Type I error is, using an exam...
Student number:_________________; Student name:_____________________   Practice Question 3 (Keep two decimal places for all questions) 1.  2.  3.  4.  5.    6.  7.  8.  9.  10.         ...
Suppose that the hemoglobin levels among healthy females are normally distributed with a mean of  14.2 g/dL. Research shows that exactly 95% of healthy females have a hemoglobin level below 16.2 g/dL...
 . Question 12 {Mandatory} {6 points] Assume the following new probabilities: P{Customer makes a purchase] = 0.450 P{Customer does not make a purchase) = 1- 0.450 Compute the probability that neither...
1. A hospital director is told that 55% of the emergency room visitors are insured. The director wants to test the claim that the percentage of insured patients is less than the expected percentage. A...
Coefficients a Model Unstandardized Coefficients Standardized Coefficients t Sig. B Std. Error Beta 1 (Constant) .692 .334   2.070 .093 drivers .558 .104 .923 5.348 .003 a. Dependent Variable: cars D...
Giving the following data set list the cost of 30 radar units, construct a Frequency distribution with seven classes/intervals.       Include: Classes, Frequency, Midpoint, Relative Frequency, Cum...
 . Construct the cumulative frequency distribution for the given data. Age (years) of Best Actress when award was won Cumulative Frequency Age (years) of Best Actress when award was won | Frequency E...
Consider a population of 1,024 mutual funds that primarily invest in large companies. You have determined that m, the mean one-year total percentage return achieved by all the funds, is 8.20 and that ...
 . Exit Ticket CC #4 . The Ground Nugget Potato Company wants to sell its potatoes overseas in brown octagonal gift boxes. The company reports their potatoes have an average weight of 700 grams with ...
Listed below are prices in dollars for one night at different hotels located on Las Vegas Boulevard (the "Strip"). Calculate these 5 statistics using the data below: 1). Mean, 2). Median, 3). Mode, 4)...
The Tukey HSD post hoc analysis looks for differences in all possible pairs of means.  Refer to the results in the Multiple Comparisons table and the means in the Descriptive Statistics table .  Rem...
Oil content of fried sweet potato chips. The characteristics of sweet potato chips fried at different temperatures were investigated in the Journal of Food Engineering (Sept. 2013). A sample of 6 swee...
6.42 Evolution versus Creationism:  A Gallup Poll released in December 2010 asked 1019 adults living in the Continental U.S. about their belief in the origin of humans. These results, along with resu...
Read the article attached and then, in a paragraph, answer the following questions about that article: Interpersonal Trauma in the Lives of Nurses and Perceptions of Nursing Work...   What were the i...
 . Construct the frequency distribution for drive-through service times for Burger King lunches using the accompanying data set. Times begin when a vehicle stops at the order window and end when the ...
 . Construct the cumulative frequency distribution for the given data. Age (years) of Best Actress when award was won Cumulative Frequency Age (years) of Best Actress when award was won | Frequency E...
NEED THE ANSWER AND EXPLANATION IN FULL SENTENCE    1. The average weight of 6 people in an elevator is 173 pounds.  A 7 th person gets on and now the average weight is 165 pounds.  How much did t...
6.36 Diabetes and unemployment: A 2012 Gallup poll surveyed Americans about their employment status and whether or not they have diabetes. The survey results indicate that 1.5% of the 47,774 employed ...
A dealer deals out two cards from a 52-card deck and the outcome is observed. Consider the following events: Event C: At least one card has a value of ten. (The cards 10, Jack, Queen and King all have...
Create a histogram for the "Sales/SqFt" variable. Is the distribution symmetric?  If not, what is the skew? Are there any outliers?  If so, which one(s)? What is the "SqFt" area of the outlier(s)? I...
A deck of cards contains red cards numbered 1, 2, 3, 4, 5, 6 and blue cards numbered 1, 2, 3, 4, 5, 6. Let R be the event of drawing a red card, B be the event of drawing a blue card, E be the event o...
Note your answers can only have the values of 0%, 25%, 50%, 75% and 100%. Find the following probabilities if a value is randomly drawn from the data set. 1. A value is between Q1 and Q3. 2. A value i...
If a test taker has scored in the top 20% of the distribution, what is the likelihood that the test taker is a top performer? Recall that a test taker who scores more than 1320 points is considered a ...
Question Set 1. Visual Representations   Select the corresponding variable type for each visual representation covered in Lesson 2 and Lesson 3. Frequency Table:   [ Select ]  ["One Categorical", "...
#3. Below is the density curve of a "uniform" distribution (contrasting with "standard normal" distribution). Just like the standard normal distribution, the area under the curve (or box in this case)...
Please show detailed explanation please. Thanks.    47. A sample of 15 female collegiate golfers was  selected, and the clubhead velocity (km/hr) of each  golfer while swinging a driver was determ...
 . 6.34 Prenatal vitamins and Autism: Researchers studying the link between prenatal vitamin use and autism surveyed the mothers of a random sample of children aged 24 - 60 months with autism and con...
Problem # 24:   Find the 99% confidence interval for the variance  for the time it takes state police inspector to check a truck for safety if a sample of 23 trucks has a standard deviation of 5.3 m...
Problem # 24:   Find the 99% confidence interval for the variance  for the time it takes state police inspector to check a truck for safety if a sample of 23 trucks has a standard deviation of 5.3 m...
Problem # 17:  A student is to be selected randomly from a group of students. For each classification of freshman and sophomore, there is a music major, an English major, and a biology major. The fol...
A small startup company wishes to know how many hours, per week, that its employees spend commuting to and from work. The number of hours for each employee are shown below. Construct a frequency table...
Problem # 9:  Find the standard deviation for the set of data:   13, 7, 21, 4, 15, 23, 7, 6.                                                     ?...
Problem # 1:  The average weight of 39 randomly selected compact automobiles was 2680 pounds. The sample standard deviation was 400 pounds. Find the following: The 98% confidence interval of the popu...
 . (MVUE for simple linear regression) Let Yi be independent N(Bxi, 1) random variables for i = 1, . ..,n, where the quantities x; are known. (a) Find a sufficient statistic for Y = (Y1, . . ., Yn). ...
6.18 Is college worth it? Part II:  Exercise 6.16 presents the results of a poll where 48% of 331 Americans who decide to not go to college do so because they cannot afford it. (a) Calculate a 90% co...
Question Set 1. Visual Representations   Select the corresponding variable type for each visual representation covered in Lesson 2 and Lesson 3. Frequency Table:   [ Select ]  ["One Categorical", "...
 . A clinical researcher performs a clinical trial on 10 patients to determine whether a drug treatment has an effect on serum glucose. The sample mean glucose of the patients before and after the tr...
6.16 Is college worth it? Part I:  Among a simple random sample of 331 American adults who do not have a four-year college degree and are not currently enrolled in school, 48% said they decided not t...
 . Problem 3.0.25 55% of the students enrolled have never taken a calculus course, 32% have taken only one semester of calculus, and the rest have taken two or more semesters of calculus. You are ass...
 . I) 8 eztomheducationcom M Question 3 - Chfi. In-Class Practice Problems - Connect C C J": ,llE », ' '7 New li'i: ,zii Ch5. In-Class Practice Problems 0 Saved Help Save 8. Exit Submit 3 Calcula...
The mayor of a town has proposed a plan for the annexation of a new community.  A political study took a sample of 800 voters in the town and found that 51% of the residents favored annexation. ...
Inferential statistics. An important thing to understand about inferential statistics is how it differs from descriptive statistics. When someone claims their data is statistically significant, it imp...
 . The mean voltage and standard deviation of 7 batteries from each manufacturer were measured. The results are summarized in the following table. Manufacturer Sample mean Population standard voltage...
Hello tutors, can I please get help with this stat/ prob problems? Thank you 1) A system consists of five independent components in series. The system will work if the five components work.  Let 𝐶...
Hello tutors, may I please get help solving the following prob// stat problems ? Thank you. 1) Suppose that a large university contains 10 percent mountain climbers. If four students are randomly samp...
Hello tutors, may I please get help solving the following prob// stat problems ? Thank you.   1) A warehouse contains ten printing machines, four of which are defective. A company randomly selects fi...
Complete the classes and frequencies for the frequency table, in the format shown in the attached documents. Assume that the first class is ages 20 - 29.  . Ages of Women Visiting the Library 14 12 1...
In "Cardiovascular Effects of Intravenous Triidothyronnie in Patients Undergoing Coronary Artery Bypass Graft Surgery" (Journal of the American Medical Association, Vol. 275, No. 9), the authors expla...
Observational data shows a strong association between ice cream sales and drowning deaths (i.e. as ice cream sales increase you typically also see an increase in drownings). Because of this evidence, ...
Identify any likely sources of bias based on the description.  The Springfield Police Department conducted a survey in which police officers interviewed members of their community to ask their opinio...
Identify any likely sources of bias based on the description. Include an explanation of your answer.  The National Bank of Springfield sent out questionnaires to a random sample of 500 customers aski...
The perimeter fencing at a property in western NSW has been impacted by recent flooding events. In April 2022, before any flooding, there was 195 km of fencing. 65% of this fencing was damaged by floo...
9. Simulation of a queuing problem: a clinic has three doctors. Patients come into the clinic at random, starting at 9 a.m., according to a Poisson process with time parameter 10 minutes: that is, the...
What is the predicted price for a home that has 2150 sqft living area, 1050 sqft upper level living area, is 15 years old, has 3 bathrooms, and backs out to road? What is the predicted price for a hom...
 . Select all statements that are true about BagLearners. O Every learner in a BagLearner receives and evaluates a random set of training data, selected with replacement. O Every learner in a BagLear...
 . Select which point correctly identifies the starting point of overfitting in the graph below (Figure Q3- 1). Overfitting 0.5 - In-Sample - Out-of-Sample 0.4 B 0.3 C A RSME 0.2 0.1 D 0.0 2 4 6 8 10...
Suppose we have an urn that contains 4 white and 9 red balls. Two balls are drawn in succession without replacement.  If the second ball is white, what is the probability that the 1st ball was white...
  Medical researchers testing out a new drug were interested in the potential risks of serious side effects.  The drug was given at two different dosages (100 mg and 200 mg), or a placebo (a "sugar ...
 . Homework 1 . To get full credit, show the complete procedure to arrive to the solution and justify all of your answers. . Each problem carries equal weight. 1. Determine whether the following dist...
The questions below refer to the following situation: A researcher wants to know if paying someone to watch a movie would decrease his or her enjoyment of the movie. The researcher paid 36 students $2...
 . 1. (05.04) Sebastian wants to estimate the proportion of the sophomores at his high school who like to waterski. He interviews a simple random sample of 60 of the 150 sophomores on campus. He find...
Three statisticians went into the woods to hunt elk when they came upon a large bull standing majestically on top of a hill. The first statistician put his shotgun to his shoulder, took careful aim, a...
1. The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level.  In an earlier study, the population proportion w...
   . A factorial experiment involving two levels of factor A and three levels of factor B resulted in the following data. Factor B Level 1 Level 2 Level 3 135 90 75 Level 1 165 56 93 Factor A Level ...
Please help, and explain how can I get the answer. . 3 Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved the mean listening...
 . 18 0/ 41 Jason has three T-shirts of different colors. How many ways can all three boys trade shirts and not wear the same color twice? He shares his T-shirts with his two one brothers. two three ...
   . Consider the experimental results for the following randomized block design. Make the calculations necessary to set up the analysis of variance table. Treatment A B n H 10 9 8 2 12 6 5 Blocks 3...
1. Considering the following scenario, which method would be most appropriate when calculating the margin of error for the population mean?  σ is unknown; n=27; the population is normally distribute...
Using α = 0.01, is the GNP of country group 6 on average at least 840? What type of statistical test did you conduct and why?  Gross National Product Country Group 2060 6 610 6 2040 6 1010 6 600 6 1...
Using α = 0.05, does the life expectancy at birth for males on average different from 60.5? What type of statistical test did you conduct and why?  Life expectancy at birth for males 69.6 68.3 71.8 ...
 . Consider the experimental results for the following randomized block design. Make the calculations necessary to set up the analysis of variance table. Treatment A B 1 10 9 8 2 12 6 5 Blocks 18 15 ...
Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an average (mean) of  32  grams of fat per pound, with a standard deviation of  8  grams of fat per poun...
 . The following data are from a completely randomized design. Treatment Treatment Treatment 32 44 34 30 43 37 30 44 36 26 46 37 32 48 41 Sample mean 30 45 37 Sample variance 6.00 4.00 6.50 a. At the...
No information is missing, is there is any please list out Question 1:     Question 2:     Question 3:  . Observed Distribution of Colors Colored Candies in a bag Color Brown Yellow Red Blue Oran...
 . Preview File Edit View Go Tools Window Help Q 8 Mon Jan 30 10:36 PM DIGITAL_Stevens_IntroStats_FA15.pdf.pdf Page 13 of 300 1 Q Q J J . ' A Q Search DIGITAL_Stevens_IntroS... Show Markup Toolbar 4....
 . Consider the following data values. 20 11 6 2 19 13 17 3 2 a) Calculate the mean. b) Calculate the median. c) Determine the mode. d) Describe the shape of the distribution. a) Calculate the mean. ...
    Please help me with calculating the critical value. Set up the ANOVA table for this problem. Show the entries to 2 decimals, if necessary. Source of Variation Sum of Squares Degrees of Freedom M...
Determine if each of the following is categorical or quantitative:  . Favorite Jellybean Number of Flight Zip Code Flavor Passengers Number Number of Shoes Marital Minutes Spent Owned Jersey Number S...
-Qualitative -vs- Quantitative Data: Later in the text we will conduct various statistical tests about qualitative and quantitative characteristics of various populations. For qualitative data we usua...
The questions below refer to the following situation: A researcher wants to know if exercise increases a person's happiness. In the general population, a standardized inventory to measure happiness is...
Two teaching methods for a statistics class, online and face-to-face, are available during the course of an academic year. To date, 1 out of every 25 students has failed the online class and 3 out of ...
 Select the correct statement.  A.) The mean of sample means is normally distributed only if the population mean is normally distributed.  B.) The mean of sample means are always normally distribut...
Sneakers are no longer just for the young. In fact, most adults own multiple pairs of sneakers. Table gives the fraction of US adults 20 years of age and older who own five or more pairs of wearable s...
The standard deviation of the height of everyone in the university is 3.915 and the average of the height of everyone in the university is 65 inches. A sample of 50 people is randomly drawn from the u...
Sample -vs- Population: In these problems determine the population and the sample. (a)∗ In a survey of 2000 U.S. high school seniors less than one in five are current marijuana users. (b)  In a sam...
 . Test Positive Criteria Sensitivity Specificity D.95 0.57 0.87 0.73 0.75 0.89 4 0.64 0.96 6. How to choose a test You're designing a screening procedure for lung cancer. This procedure involves adm...
Compute the following probabilities: a. If Y is distributed N(1, 4), find Pr(Y ≤ 3). b. If Y is distributed N(3, 9), find Pr(Y > 0). c. If Y is distributed N(50,25), find Pr(40 ≤ Y ≤ 52). d. ...
    Statistics and probability areas important to data science:  Statistics and data science - How are they related to a career in data science?  Statistical machine learning - How do statistics f...
4.44 Nearsighted:  It is believed that nearsightedness affects about 8% of all children. In a random sample of 194 children, 21 are nearsighted. (a) Construct hypotheses appropriate for the following...
 . l. 8. Last year's monthly averages of spot and forward prices in $ for 1 bbl (barrel) of WT1 crude oil is as follows. Spot Forward price lag price 1 2 3 4 5 6 7 8 9 10 11 12 Jan 60 62 65 69 74 8...
   . center against medical advice? In a study of helicopter usage and patient survival, among the 43,495 patients transported by helicopter, 153 of them left the treatment center against medical ad...
 . Ho : M = 1,200 Ha: M > 1,200 x = 1,213, n = 113, 6 = 100, a = .10 Appendix A Statistical Tables a. Use the data given to test the following hypotheses. (Round your answer to 2 decimal places, e...
The questions below refer to the following situation: A researcher wants to know if exercise increases a person's happiness. In the general population, a standardized inventory to measure happiness is...
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, th...
At General Hospital, nurses are given performance evaluations to determine eligibility for merit pay raises. The supervisor rates the nurses on a scale of 1 to 10 (10 being the highest rating) for sev...
PY-281 Application Exercise Three SPSS: t-Test for independent means   Do new employees who receive specialized training report a different level of job satisfaction in their first 30 days of employm...
Tucson Machinery, Incorporated, manufactures numerically controlled machines, which sell for an average price of $12.0 million each. Sales for these NCMs for the past two years were as follows: Use Ex...
5.15 Identify hypotheses, Part I:  Write the null and alternative hypotheses in words and then symbols for each of the following situations. (a) A tutoring company would like to understand if most st...
The lesson from class focused on a statement about children living in poverty in America. How was such an inaccurate statement published? It was based on another statement published earlier. Both stat...
Check-In Week #5 "Financial Statements, Ratios and Business Statistics" -Due by Thursday 2/2 for instructor feedback. 22 unread replies.22 replies.   This check-in assignment allows you and I to inte...
 . Heisenberg model of para-magnetism. Consider N particles with magnetic moment ii. A magnetic field g is applied so that the energy of one particle is E = —fi - E = —yB cos 9 (where B is the a...
 . The quarterly returns for a group of 66 mutual funds with a mean of 3.6% and a standard deviation of 6.3% can be modeled by a Normal model. Based on the model N(0.036,0.063), what are the cutoff v...
Answer B please. Thank you. b. Use an appropriate rule to calculate each of the following probabilities. Write the probability statement using proper notation and show the work for each calculation. N...
The perimeter fencing at a property in western NSW has been impacted by recent flooding events. In April 2022, before any flooding, there was 195 km of fencing. 65% of this fencing was damaged by floo...
 . ry 2023 Due Jan 29 by 11:59pm Points 10 Submitting an external tool Syllabus cements ic Support Question The following data values represent the daily amount spent by a family during a summer vaca...
Which table correctly shows all the sample spaces for tossing a coin and rolling an even number on a six-sided number cube? (1 point)  a     Coin Number cube Outcome Heads 1   Heads, 1   Heads 3 ...
 . flarterly returns for a group of 66 mutual funds with a mean of 3.6% and a standard deviation of 6.3% can be modeled by a Normal model. Based on the model N(0.036,0.063), what are the cutoff valu...
The accompanying data represent the miles per gallon of a random sample of cars with a​ three-cylinder, 1.0 liter engine. Compute the​ z-score corresponding to the individual who obtained 38.2 mil...
 . cture.com/courses/117773/assignments/3792501?module_item_id=17312447 il YouTube Maps Due Jan 29 by 11:59pm Points 10 Submitting an external tool Question In the United States, the Recording Indust...
 . 4. We wish to determine the morale for a certain company. We give each of the workers a questionnaire and from their answers we can determine the level of their morale, whether it is 'Low', 'Mediu...
   . 6. In a class there are full-time and part-time students, and students who have jobs or not. Let events: F = Student is Full-time J = Student has a Job a. Identify each of the following probabi...
Indicate whether each pair of events is 'Independent' or 'Dependent' (not independent) of each other under usual circumstances.   . v A = a randomly selected person at Purdue has blue eyes B = a ran...
Please answer the questions. This is a sample problem that I forgot how to do. Thank you so much, have a great day.. 5. Suppose 16% of professional cyclists use a particular performance-enhancing drug...
 . * Homework Help - Q&A from Onl x Week 3: Standard Deviation X + ructure.com/courses/117773/assignments/3792501?module_item_id=17312447 mail YouTube Maps Due Jan 29 by 11:59pm Points 10 Submitt...
I only need help with D, can you explain and show me how to get the answer? . 2 The following are six observations collected from treatment 1, four observations collected from treatment 2, and five o...
Listed below are the ACT scores of 40 randomly selected students at a major university. 18 22 13 15 24 24 20 19 19 12 16 25 14 19 21 23 25 18 18 13 26 26 25 25 19 17 18 15 13 21 19 19 14 24 20 21 23 2...
The Birthday Paradox Assume there are 365 days this year. There are n=35 people in this class. a. What is the probability of at least 2 people in this class of 35, sharing the same birthday (dd-mm) b....
can you please help me with this quesiton. Describe these data with a bar graph. 3. The 2015 Dietary Guidelines for Americans notes that the average potassium (K) intake for U.S. adults is about half ...
Among the applicants for college, the top N applicants have been admitted to the top M schools. Assume that the applicants choose randomly (and independently of each other) which of the M schools to a...
 . A philosophy professor assigns letter grades on a test according to the following scheme. A: Top 12 % of scores B: Scores below the top 12 % and above the bottom 55 % C: Scores below the top 45 % ...
The alternative hypothesis (H 1 ) H 1 : µ M -µ E ≠ 0 The researcher made this choice based on the desire to test if the managers and the employees have different levels of desirability for profess...
 . One particular morning, the length of time spent in the examination rooms is recorded for each patient seen by each physician at an orthopedic clinic. Time in Examination Rooms (minutes) Physician...
B. From the given bivariate data in the table below, generate the following statistics:  1. scatterplot with complete labels  2. Equation of the linear regression 3. interpretation of the slope and ...
the questions that are blank are the only ones I need help with. Thank you!. A study of the effect of television commercials on 12—year—old children measured their attention span, in seconds. The ...
Listed below are the ACT scores of 40 randomly selected students at a major university. 18 22 13 15 24 24 20 19 19 12 16 25 14 19 21 23 25 18 18 13 26 26 25 25 19 17 18 15 13 21 19 19 14 24 20 21 23 2...
1. Research question about a difference between groups or a relationship between variables that interests you.    Research question: Has society's increasing reliance on social media worsened the wa...
 . 3. While this exercise was being created, Weather.com indicated that there was a 20% chance of rain for the author's home region. Based on that report, which of the following is the most reasonabl...
 . * Homework Help - Q&A from On! X Week 3: Standard Deviation ture.com/courses/117773/assignments/3792501?module_item_id=17312447 YouTube Maps Due Jan 29 by 11:59pm Points 10 Submitting an exter...
Determine the values associated with the 20th and 80th percentile, assuming the data follow the Student T distribution. Given       The five sample values are:       X 1 = 101.0 cm     ...
A market analyst predicts a 40% chance of a recession in the next six months, a 20% chance of economic growth, and a 40% chance of zero growth. Given this data, Southwest estimates the probability of ...
Determine the T value for a given probability. Given       The sample size is:       n = 12 (Unitless)       The cumulative probability is:       p c = 0.9975 (Unitless)     ...
Using the data from the 252 men, providing obesity as a medical issue related to the dataset. Tell why you've chosen this medical issue.  Data link: https://docs.google.com/spreadsheets/d/12WHxmnpkHY...
Use the Excel Dataset to run a Spearman's rho to determine if there is a relationship between BMI(groups) and Hypertension(groups)  . M N O O G H A D E BMI (Before) BMI (After) BMI Category Blood Pre...
 . An electrician wants to know whether batteries made by two manufacturers have significantly different voltages. The voltage of 92 batteries from each manufacturer were measured. The population sta...
a.  Based on the boxplot, about what percentage of players were slower (had longer times) at the combine?  Explain your reasoning. b.   The mean difference in time is 0.09 second.  Interpret this ...
Imagine that a coffee shop sells three types of coffee: espressos for $2 each, cappuccinos for $3, and lattes for $5. In one day, the coffee shop sells 100 of each drink. What is the average cost per ...
Listed below are the ACT scores of 40 randomly selected students at a major university. 18 22 13 15 24 24 20 19 19 12 16 25 14 19 21 23 25 18 18 13 26 26 25 25 19 17 18 15 13 21 19 19 14 24 20 21 23 2...
 . What percentage of players had more win shares in 2017? Select... V / 12 Select... V. Name 2016 2017 Carmelo Anthony 6.4 4.7 Harrison Barnes 4.9 4.6 Jimmy Butler 9.1 13.8 DeMarcus Cousins 5.7 7.6 ...
Hello, I need help with this question.   Read the article and post your reaction. Be sure to address potential reasons why the death rates due to cardiovascular and other diseases have declined signi...
what is the best answer?. The table below show the association between sex and anemia in middle school children in a high-income country (Cross-sectional study). Prevalence of Characteristics Total an...
what is the conclusion?. The table below show the association between lead (measured in blood) and anemia in middle school children in a high-income country (Cross-sectional study). Characteristics To...
How do you calculate probability in excel?  Using standard deviation(879.79717), mean (3588.57) and x.  x 500.00 600.00 700.00 800.00 900.00 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 1...
 . *Homework Help - Q&A from Onl x Week 3: Standard Deviation X + cture.com/courses/117/73/assignments/3792501?module_item_id=17312447 ail YouTube Maps Due Jan 29 by 11:59pm Points 10 Submitting ...
An emergency room physician would like to design a randomized study to determine whether influenza vaccination in the Emergency Department is effective in decreasing the incidence of influenza type il...
3.32 Arachnophobia:  A 2005 Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia and are extremely afraid of spiders. At a summer camp there are 10 teenagers sleeping in e...
...Incubation time for Rhode Island Red chicks is normally distributed with a mean of μ =21  days and standard deviation of approximately σ = 1 day... Draw and label a normal curve  and answer the...
Bayesian inference w discrete observables and unknowns. Probability of a girl birth given placenta previa. As a specific example of a factor that may,r influence the sex ratio, we consider the mater...
A Nielsen study indicates that 18- to 24- year olds spend a mean of 174 minutes watching video on their smartphones per month. Assume that the amount of time watching a video on a smartphone per month...
answer questions 2-22 EVEN questions only please l  . HYPOTHESIS TESTING WITH ONE SAMPLE In Exercises 19-22, use a t-test to test the claim about the population mean y at th given level of significan...
Consumers spent an averge of $15.30 on a meal at a restaurant in 2014. Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is $2. a. What is the p...
 . 6. Using Excel - Binomial probabilities Consider a binomial experiment with n = 42 and p = 0.12. You will select some of your answers to the questions that follow in this sample Excel spreadsheet:...
 . 2. Expected value and variance of a discrete random variable Barry Bonds, a Major League Baseball player, was an outfielder for the San Francisco Giants in 2007. Consider the experiment of Bonds m...
We have a three-sided die. We roll the die 100 times, and we observe the first side 20 times, the second side 50 times, and the third side 30 times. A) Estimate the probabilities of the Multinomial di...
Please review the lesson page 1-4. Please complete the homework on page 5. The Professor ask to show the work clearly.   Thank you for your help. Lesson 1 Chapter 5 Expected Value We will look at how...
 . O X X * Homework Help - Q&A from Onl x Week 3: Standard Deviation X rlain.instructure.com/courses/117773/assignments/3792501?module_item_id=17312447 M Gmail YouTube Maps Due Jan 29 by 11:59pm ...
 . Correlation analysis A hospital operations analyst wanted to know whether the correlations between response time to patients' call and number of patients in the ward are the same for two wards. Sa...
 . A clinic took temperature readings of 250 flu patients over a weekend and discovered the temperature distribution to be Gaussian, with a mean of 101.80 F and a standard deviation of 0.9240 F. Use ...
i need help with this page. Ricks, PSYC 200, Spring 2023, Homework 1 15. What are the two methods to help ensure a sample represents the population you want it to, and to minimize pre-existing differe...
The data reports the temperatures on randomly chosen days during a summer class and the number of absences on those days. 1)  Construct the scatter plot 2)  Calculate the correlation coefficient, r....
How do you take the natural logs of the concentrations (in excel) ; this should produce a straight line.  time(hours) concentration(mg/l) 0 13.08430802 1 12.17320516 2 11.04200922 3 12.34268145 4 10....
How can I solve this using a two tailed test?. Correlation analysis A hospital operations analyst wanted to know whether the correlations between response time to patients' call and number of patients...
How can I solve these by hand?. Simple Linear Regression Answer Question a-e using the following statement and data provided. These problems can be solved by hand. Transient hypothyroxinemia, a common...
How will I go about solving this problem?. ANOVA Table Answer Questions a-b using the information below. a. Fill in the ANOVA table. X - Age Y- Systolic Blood Pressure Assume Simple Linear Regression ...