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A simple random sample size of 40 is drawn from a population. The sample mean is...

A simple random sample size of 40 is drawn from a population. The sample mean is found to be x overbar equals 120.1x=120.1

and the sample standard deviation is found to be

s equals 12.8s=12.8.

Construct a​ 99% confidence interval for the population mean.

Math   Statistics-And-Probability   
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