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 o= 18.7. Assume the population is normally distributed BER A 99% confidence level requires a sample size of (Round up to the nearest whole number as needed)

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