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In a survey conducted by the Pew Reasearch Center in the U.S. from September 7 to 12 in 2021, 85% of 1,008 respondents said that the relations between the U.S. and Germany were good. 1) Let p denote the population proportion of Americans who thought that the relations between the U.S. and Germany were good. State the null and alternative hypothesis of a two-sided significance test comparing p with 80%. 2) Calculate the test statistics and find the p-value. 3) What conclusion can you make for this test, using the significance level α(alfa)=0.01?

In a survey conducted by the Pew Reasearch Center in the U.S. from September 7 to 12 in 2021, 85% of 1,008 respondents said that the relations between the U.S. and Germany were good. 1) Let p denote the population proportion of Americans who thought that the relations between the U.S. and Germany were good. State the null and alternative hypothesis of a two-sided significance test comparing p with 80%. 2) Calculate the test statistics and find the p-value. 3) What conclusion can you make for this test, using the significance level α(alfa)=0.01?

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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In a survey conducted by the Pew Reasearch Center in the U.S. from September 7 to 12 in 2021, 85% of 1,008 respondents said that the relations between the U.S. and Germany were good. 1) Let p denote the population proportion of Americans who thought that the relations between the U.S. and Germany were good. State the null and alternative hypothesis of a two-sided significance test comparing p with 80%. 2) Calculate the test statistics and find the p-value. 3) What conclusion can you make for this test, using the significance level α(alfa)=0.01?
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