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StatisticsQ&A LibraryFind the Sample Size Required to Estimate a Population Mean With a Given Confidence LevelQuestionSuppose the finishing times for cyclists in a race are normally distributed. If the population standard deviation is 16 minutes,what minimum sample size is needed to be 90% confident that the sample mean is within 5 minutes of the true populationmean?Zo.10Zo.05Zo.025Z0.01Zo.0051.2821.6451.960 |2.3262.576Use the table above for the z-score, and be sure to round up to the nearest integer.Question

Asked Oct 2, 2019

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