Homework: Proctored Test 2 Review (90% or better 5 extra ... Question 25, 6.1.35 HW Score: 57.17%, 25.73 of 45 points Save Part 1 of 3 O Points: 0 of 1 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. IT convenient, use technology to construd the confidence intervals A random sample of 50 home theater systems has a mean price of $143.00. Assume the population standard deviation is $17 40 Construct a 90% confidence interval for the population mean. The 90% confidence interval is .J. (Round to two decimal places as needed )