Students taking an introductory statistics class reported spending...

Question

# Students taking an introductory statistics class reported spending...

Students taking an introductory statistics class reported spending an average of 245 dollars on textbooks that semester with a standard deviation of 60 dollars.

a. 68 percent of students between _______ and _______

b. 95 percent of students between _______ and _______

c. 99.7 percent of students between ______ and _______

d. Approximately what percentage of students spent between \$165 and \$290 on textbooks that semester?

e. One student spent \$260 on textbooks. What percentage of the students spent less than she did on textbooks that semester?

f. 15% of students spend less than ______ on textbooks.

g. 40% of students spend more than _____ on textbooks.

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