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A group of 19 randomly selected employees has a mean age of 22 4 years...

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A group of 19 randomly selected employees has a mean age of 22 4 years with a standard deviation of 3 8 years Construct a 99 confidence interval for the population mean Assume the population has a normal distribution Round to one decimal place OA 19 9 24 9 OB 17 2 23 6 OC 16 3 26 9 OD 18 7 24 1

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