Assuming the requirements are met for the penny study, which of the following explanations describes the correct way to interpret the 95% 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, which of the following explanations describes the correct way to interpret the 95% 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
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
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Transcribed Image Text:Assuming the requirements are met for the penny study, which of the
following explanations describes the correct way to interpret the 95%
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?
95% of all of the differences in proportions of women and men who were in favor
of retaining the penny as a form of currency are in our confidence interval.
O We are 95% confident that more women support retaining the penny as a form of
currency than men.
We are 95% confident that the difference of the sample proportions of women
and men who were in favor of retaining the penny as a form of currency is
somewhere in our confidence interval.
We are 95% confident that the difference of the true proportions of women and
men who were in favor of retaining the penny as a form of currency is somewhere
in our confidence interval.
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