Question: Determine the minimum sample size required when you want to be 99% confident that the sample mean is within one unit of the population mean

Determine the minimum sample size required when you want to be 99% confident that the sample mean is within one unit of the population mean and sigmaequals15.3. Assume the population is normally distributed. what is the 99 % confidence level requires a sample size of ? (Round up to the nearest whole number as needed.)

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