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You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals.

From a random sample of 31 months from January 2006 through December 2020, the mean number of tornadoes per month in the United States was about 91. Assume the population standard deviation is 113.

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