Calculating the confidence interval

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The mean age for all Foothill College students for a recent Fall term was 33.2. The population standard deviation has been pretty consistent at 15. Suppose that twenty-five Winter students were randomly selected. The mean age for the sample was 30.4. We are interested in the true mean age for Winter Foothill College students.(https://research.fhda.edu/factbook/FH_Demo_Trends/FoothillDemographicTrends.htm7

Let X = the age of a Winter Foothill College student

As a result of your answer to (4), state the exact distribution to use when calculating the Confidence Interval.

Reference no: EM131822234

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