A newsgroup is interested in constructing a 99% confidence interval for the proportion of allAmericans who are in favor of a new Green initiative. Of the 583 randomly selected Americanssurveyed, 372 were in favor of the initiative. Round answers to 4 decimal places where possible.a. With 99% confidence the proportion of all Americans who favor the new Green initiative isbetweenandpercent of theseb. If many groups of 583 randomly selected Americans were surveyed, then a differentconfidence interval would be produced from each group. Aboutconfidence intervals will contain the true population proportion of Americans who favor theGreen initiative and aboutpercent will not contain the true population proportion.

Givensample size(n)=583x=372p^=xn=372583≅0.6381confidence level=99%

Answered: A newsgroup is interested in…

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 newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative. Of the 571 randomly selected Americans surveyed, 444 were in favor of the initiative. Round answers to 4 decimal places where possible. a. With 90% confidence the proportion of all Americans who favor the new Green initiative is between and b. If many groups of 571 randomly selected Americans were surveyed, then a different confidence interval would be produced from each group. About percent of these confidence intervals will contain the true population proportion of Americans who favor the percent will not contain the true population proportion. Green initiative and about Submit Question
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