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In: Statistics and Probability

1) The IQ of the author’s college students is normally distributed with a mean of 100...

1) The IQ of the author’s college students is normally distributed with a mean of 100 and a standard deviation of 15. What percentage of college students have IQs between 70 to 130? (Use the empirical rule to solve the problem) Please explain how you get the answer. You can use excel to show how to use the formula if needed.

2) At a high school, GPA’s are normally distributed with a mean of 2.6 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.1 and 3.1? Please explain how you get the answer. You can use excel to show how to use the formula if needed.

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orchestra answered 2 years ago
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