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

A simple random sample of size n equals 40 is drawn from a population. The sample mean is found to be x overbar equals 121.4 and the sample standard deviation is found to be s equals 12.4. Construct a​ 99% confidence interval for the population mean.

The lower bound is ?.​ (Round to two decimal places as​ needed.)

The upper bound is ?. ​(Round to two decimal places as​ needed.)

Math   Statistics-And-Probability   
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