14. Faculty Salaries In 2016, the National Center for Educational Statistics indicated that the average salary for

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14. Faculty Salaries In 2016, the National Center for Educational Statistics indicated that the average salary for Assistant Professors at public 4-year colleges was

$83,398.15 Suppose that these salaries are normally distributed with a standard deviation of $4000.

a. What proportion of assistant professors at public 4-year colleges will have salaries less than

$75,000?

b. What proportion of these professors will have salaries between $75,000 and $85,000?

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Related Book For  book-img-for-question

Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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