Question: For Exercises 15, assume that you want to construct a 95% confidence interval estimate of a population mean. Find an estimate of the sample size

For Exercises 15, assume that you want to construct a 95% confidence interval estimate of a population mean. Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. The sample standard deviation is given.
Margin of error = 3.5 ml, standard deviation = 155.2 ml

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