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 confidênce intervals. If convenient, use technology to construct the confidence intervals. A random sample of 55 home theater systems has a mean price of $113.00. Assume the population standard deviation is $19.90. Construct a 90% confidence interval for the population mean. The 90% confidence interval is ( ). (Round to two decimal places as needed.) Construct a 95% confidence interval for the population mean. The 95% confidence interval is (. (Round to two decimal places as needed.) Interoret the results. Choose the correct answer below. Click to select your answer(s).-
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 confidênce intervals. If convenient, use technology to construct the confidence intervals. A random sample of 55 home theater systems has a mean price of $113.00. Assume the population standard deviation is $19.90. Construct a 90% confidence interval for the population mean. The 90% confidence interval is ( ). (Round to two decimal places as needed.) Construct a 95% confidence interval for the population mean. The 95% confidence interval is (. (Round to two decimal places as needed.) Interoret the results. Choose the correct answer below. Click to select your answer(s).-
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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