Question: You are given the sample mean and the population standard deviation. Use this information to construct the90% and95% confidence intervals for the population mean. Interpret

You are given the sample mean and the population standard deviation. Use this information to construct the90% and95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals.

From a random sample of 42

42 businessdays, the mean closing price of a certain stock was $114.01

114.01. Assume the population standard deviation is $11.15

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