A university dean wishes to estimate the average number of

Reference no: EM13621020

A university dean wishes to estimate the average number of hours that freshmen study each week. The standard deviation from a previous study is 2.6 hours. How large a sample must be selected if he wants to be 90% confident of finding whether the true mean differs from the sample mean by .7 hours?

Reference no: EM13621020

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A university dean wishes to estimate the average number of

Reference no: EM13621020

Reference no: EM13621020

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