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on of 2 equal to 0.21 hours? e solution up to the nearest whole number, if necessary.

on of 2 equal to 0.21 hours? e solution up to the nearest whole number, if necessary.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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According to the American Time Use Survey, Americans sleep an average of 7.83 hours each day with a standard deviation of 2.65 hours. Let be the average of a random sample of Americans. What sample size will give the standard deviation of equal to 0.21 hours? Round the solution up to the nearest whole number, if necessary. n=
Transcribed Image Text:According to the American Time Use Survey, Americans sleep an average of 7.83 hours each day with a standard deviation of 2.65 hours. Let be the average of a random sample of Americans. What sample size will give the standard deviation of equal to 0.21 hours? Round the solution up to the nearest whole number, if necessary. n=
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