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

A simple random sample of size n equals 40n=40 is drawn from a population. The sample mean is found to be x overbar equals 121.6x=121.6 and the sample standard deviation is found to be s equals 12.4s=12.4. Construct a​ 99% confidence interval for the population mean. The lower bound is _____. The Upper bound is ____.

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