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 41 business​ days, the mean closing price of a certain stock was ​$110.53. Assume the population standard deviation is ​$9.71.   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.   The​ 90% confidence interval is (______,_______)

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