Mathematics, 21.11.2019 03:31 lanay645

Areport in a research journal states that the average weight loss of people on a certain drug is 27 lbs with a standard deviation of 5 lbs. if this study is repeated, how large should the sample size be so that the margin of error would be no more than 2.5 lbs with 95% confidence?

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Areport in a research journal states that the average weight loss of people on a certain drug is 27...