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a) Verify the requirements for the confidence interval: b) Confidence Interval: c) Interpret the confidence interval in the context of the problem.

a) Verify the requirements for the confidence interval: b) Confidence Interval: c) Interpret the confidence interval in the context of the problem.

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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Question
number 24
M a 24. The Gallup organization surveyed 1100 adult Americans on May 6-9, 2002, and conducted an independent survey of 1100 adult Americans on May 8-11, 2014. In both surveys they asked the following: "Right now, do you think the state of moral values in the country as a whole is getting better or getting worse?" On May 8-11, 2014, 816 of 1100 surveyed responded that the state of moral values is getting worse; on May 6-9, 2002, 737 of the 1100 surveyed responded that the state of moral values is getting worse. Construct and interpret a 90% confidence interval for the difference between the two population proportions. a) Verify the requirements for the confidence interval: b) Confidence Interval: c) Interpret the confidence interval in the context of the problem.
Transcribed Image Text:M a 24. The Gallup organization surveyed 1100 adult Americans on May 6-9, 2002, and conducted an independent survey of 1100 adult Americans on May 8-11, 2014. In both surveys they asked the following: "Right now, do you think the state of moral values in the country as a whole is getting better or getting worse?" On May 8-11, 2014, 816 of 1100 surveyed responded that the state of moral values is getting worse; on May 6-9, 2002, 737 of the 1100 surveyed responded that the state of moral values is getting worse. Construct and interpret a 90% confidence interval for the difference between the two population proportions. a) Verify the requirements for the confidence interval: b) Confidence Interval: c) Interpret the confidence interval in the context of the problem.
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