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andom sample of 50 home theater systems has a mean price of $125.00. Assume the population standard deviation is $16 40 nstruct a 90% confidence interval for the population mean. ne 90% confidence interval is ( ) tound to two decimal places as needed) onstruct a 95% confidence interval for the population mean he 95% confidence interval is ( Round to two decimal places as needed.) nterpret the results Choose the correct answer below O A. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is wider than the 90 %. OB. With 90% confidence, it can be said that the sample mean price lies in the first interval. With 95% confidence, it can be said that the sample mean price lies in the second interval. The 95% confidence interval is wider than the 90% OC. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval The 95% confidence interval is narrower than the 90 %. Next 12:24 PM P Type here to search O) 47°F Cloudy 12/20/2021 ASUS prt sc sysra pouse breok 112 delete 5. 6. backspace %3D

andom sample of 50 home theater systems has a mean price of $125.00. Assume the population standard deviation is $16 40 nstruct a 90% confidence interval for the population mean. ne 90% confidence interval is ( ) tound to two decimal places as needed) onstruct a 95% confidence interval for the population mean he 95% confidence interval is ( Round to two decimal places as needed.) nterpret the results Choose the correct answer below O A. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is wider than the 90 %. OB. With 90% confidence, it can be said that the sample mean price lies in the first interval. With 95% confidence, it can be said that the sample mean price lies in the second interval. The 95% confidence interval is wider than the 90% OC. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval The 95% confidence interval is narrower than the 90 %. Next 12:24 PM P Type here to search O) 47°F Cloudy 12/20/2021 ASUS prt sc sysra pouse breok 112 delete 5. 6. backspace %3D

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. If convenient, use technology to construct the confidence intervals A random sample of 50 home theater systems has a mean price of $125.00. Assume the population standard deviation is $16.40. 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.) Interpret the results. Choose the correct answer below. O A. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is wider than the 90%. O B. With 90% confidence, it can be said that the sample mean price lies in the first interval. With 95% confidence, it can be said that the sample mean price lies in the second interval. The 95% confidence interval is wider than the 90%. OC. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is narrower than the 90%. Next 12:24 PM P Type here to search DE 47°F Cloudy 12/20/2021 ASUS 16 18 f9 ES f10 f11 prt sc sysrq pause break f12 GO delete insert 00 backspace P home 61
Transcribed Image Text: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. If convenient, use technology to construct the confidence intervals A random sample of 50 home theater systems has a mean price of $125.00. Assume the population standard deviation is $16.40. 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.) Interpret the results. Choose the correct answer below. O A. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is wider than the 90%. O B. With 90% confidence, it can be said that the sample mean price lies in the first interval. With 95% confidence, it can be said that the sample mean price lies in the second interval. The 95% confidence interval is wider than the 90%. OC. With 90% confidence, it can be said that the population mean price lies in the first interval. With 95% confidence, it can be said that the population mean price lies in the second interval. The 95% confidence interval is narrower than the 90%. Next 12:24 PM P Type here to search DE 47°F Cloudy 12/20/2021 ASUS 16 18 f9 ES f10 f11 prt sc sysrq pause break f12 GO delete insert 00 backspace P home 61
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