Mathematics, 15.07.2021 21:00, savannahvargas512

A group of 49 randomly selected students has a mean age of 22.4 years with a standarddeviation of 3.8. Construct a 98% confidence interval for the population mean knowing thatthe population standard deviation is 4.2 years.

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A group of 49 randomly selected students has a mean age of 22.4 years with a standarddeviation of 3....