Question: 1.Construct a 99% confidence interval for the population mean,. Assume the population has a normal distribution. A group of 19 randomly selected employees has a

1.Construct a 99% confidence interval for the population mean,. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth.

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