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Assuming the requirements are met for the penny study, what is the upper bound for a 90% confidence interval for the difference of the true proportions of women and men who were in favor of retaining the penny as a form of currency?

Assuming the requirements are met for the penny study, what is the upper bound for a 90% confidence interval for the difference of the true proportions of women and men who were in favor of retaining the penny as a form of currency?

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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A random sample of BYU-Idaho students was surveyed and asked if they were in favor of retaining the penny as a form of currency in the United States. Out of the 116 women surveyed, 80 said that they were in favor of retaining the penny as a form of currency. Of the 137 men surveyed, 91 said that they were in favor of retaining the penny. Difference = Women - Men The picture below is the question. Use the information above to help.
Assuming the requirements are met for the penny study, what is the upper bound for a 90% confidence interval for the difference of the true proportions of women and men who were in favor of retaining the penny as a form of currency? (Round your answer to three decimal places.)
Transcribed Image Text:Assuming the requirements are met for the penny study, what is the upper bound for a 90% confidence interval for the difference of the true proportions of women and men who were in favor of retaining the penny as a form of currency? (Round your answer to three decimal places.)
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