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

K Save You are given the sample mean and the population standard

K Save 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 65 dates, the mean record high daily temperature in a certain city has a mean of 85.21F. Assume the population standard deviation is 13.70F. The 90% confidence interval is (82.41, 88.01). (Round to two decimal places as needed.) The 95% confidence interval is (81.88, 88.54). (Round to two decimal places as needed.) Which interval is wider? Choose the correct answer below. O The 90% confidence interval O The 95% confidence interval

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