Question: please help A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be x =

please help

A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be x = 120.9 and the sample standard deviation is found to be s = 12.2. Construct a 99% confidence interval for the population mean. The lower bound is . (Round to two decimal places as needed.)

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