The results of a national survey showed that on average, adults sleep 6 8 hours per night Suppose that the standard deviation is 1 9 hours and that the number of hours of sleep follows a bell shaped distribution If needed, round your answers to two decimal digits If your answer is negative use min...

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Essentials of Statistics for Business and Economics

ISBN: 978-1305081598

7th edition

Authors: David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam

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Posted Date: Aug 26, 2021 12:04 PM

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The results of a national survey showed that on average, adults sleep 6.8 hours per night....

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Essentials of Statistics for Business and Economics

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