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The ACT scores of students are normally distributed with a mean of...

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# The ACT scores of students are normally distributed with a mean of...

1. The ACT scores of students are normally distributed with a mean of 18 and a standard deviation of 6. What percentage of students score between 10 and 15 ?
2. Assume that the heights of women are normally distributed with a mean of 65 inches and a standard deviation of 3 inches. If a woman is randomly selected , what is the probability that she is taller than 70 inches ?
3. The Normal Probability Distribution is an example of a ____________ probability distribution.
4. A certain university only considers applicants whose scores in the entrance exam are in the upper 10 %. If entrance exam scores are normally distributed with a mean of 500 and a standard deviation of 100, what is the minimum score a student needs to be considered ?

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## Step-by-step explanation

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