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The president of a University wishes to find the average age of students presently enrolled. From...

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Statistics

The president of a University wishes to find the average age ofstudents presently enrolled. From past studies, the standarddeviation is known to be 2 years. A random sample of 50 students isselected and the mean is found to be 23.2 years.

A. Find the 95% confidence interval for the population mean.

B. Find the 99% confidence interval for the population mean?

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