= Homework: Midterm Exam Review Part 1 of 4 O Points: 0 of 1 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 79 dates, the mean record high daily temperature in a certain city has a mean of 82.21 F. Assume the population standard deviation is 15.34 F. ck on The 90% confidence interval is (b- (Round to two decimal places as needed.)