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You take a random sample of 100 Tree State University students and find that the mean number of alcoholic drinks they intake is 4.7 with

You take a random sample of 100 Tree State University students and find that the mean number of alcoholic drinks they intake is 4.7 with a standard deviation of 9.

Construct a 95% confidence interval (CI) around your sample mean.Interpret your results.
What would happen to the size of your 95% confidence interval if you increased your sample size from 100 to 500?

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