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(Solved): please see full picture for full question thank you! John wishes to estimate the population standa ...



please see full picture for full question thank you!
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student submitted image, transcription available below
John wishes to estimate the population standard deviation of salary of college graduates who took a statistics course in college. How many college graduates must he survey? Assume that he wants to be the sample standard deviation to be within of the population standard deviation and to be confident of that statement. John wishes to estimate the population standard deviation of salary of college graduates who took a statistics course in college. How many college graduates must he survey? Assume that he wants to be the sample standard deviation to be within of the population standard deviation and to be confident of that statement.


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