MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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homework #19

A researcher wants to find the mean height of people living in San Francisco. Past research suggests that the standard deviation of heights of San Francisco residents is 3.75 inches. Find the sample size of San Francisco residents needed to estimate the mean height, if the margin of error is to be no more than 1.2 inches. Remember to round appropriately. Make sure your final answer includes the sample size AND the proper units. Show your work on your scratch paper and number your scratch work with this question number.
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Transcribed Image Text:A researcher wants to find the mean height of people living in San Francisco. Past research suggests that the standard deviation of heights of San Francisco residents is 3.75 inches. Find the sample size of San Francisco residents needed to estimate the mean height, if the margin of error is to be no more than 1.2 inches. Remember to round appropriately. Make sure your final answer includes the sample size AND the proper units. Show your work on your scratch paper and number your scratch work with this question number.
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