Mathematics, 02.07.2021 20:20 hqlego6882
3. university dean of students wishes to estimate the average number of hours students spend doing homework per week. The standard deviation from a previous study is 4 hours. How large a sample must be selected if he wants to be 96% confident of finding whether the true mean differs from the sample mean by 2 hours
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3. university dean of students wishes to estimate the average number of hours students spend doing h...
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