Question: Suppose the population standard deviation is = 5, an SRS of n = 100 is obtained, and the confidence level is chosen to be 99%.

Suppose the population standard deviation is = 5, an SRS of n = 100 is obtained, and the confidence level is chosen to be 99%. The margin of error for estimating a mean is given by 1.1650. To reduce the margin of error to 0.3883 you should change the sample size to what?

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