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After a week of advanced polling, a political party wanted to be confident they would receive a majority vo on election night. Exit interview data from advanced polls was compiled, where voters were asked who they vote for. Out of 1200 randomly chosen respondents, 688 voted for the party in question. Using the sample data, perforn a 90% confidence interval of the population proportion and infer whether the party should anticipate a majorit victory or not

After a week of advanced polling, a political party wanted to be confident they would receive a majority vo on election night. Exit interview data from advanced polls was compiled, where voters were asked who they vote for. Out of 1200 randomly chosen respondents, 688 voted for the party in question. Using the sample data, perforn a 90% confidence interval of the population proportion and infer whether the party should anticipate a majorit victory or not

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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would i reject or not reject the hypothesis? and how would you do that using the critical value

After a week of advanced polling, a political party wanted to be confident they would receive a majority vote on election night. Exit interview data from advanced polls was compiled, where voters were asked who they voted for. Out of 1200 randomly chosen respondents, 688 voted for the party in question. Using the sample data, perform a 90% confidence interval of the population proportion and infer whether the party should anticipate a majority victory or not
Transcribed Image Text:After a week of advanced polling, a political party wanted to be confident they would receive a majority vote on election night. Exit interview data from advanced polls was compiled, where voters were asked who they voted for. Out of 1200 randomly chosen respondents, 688 voted for the party in question. Using the sample data, perform a 90% confidence interval of the population proportion and infer whether the party should anticipate a majority victory or not
Proportion Count Total Sample Prop. Std. Err. Critical Z L. Limit U. Limit 688 1200 0.57 0.014 1.64 0.55 0.59 19 31
Transcribed Image Text:Proportion Count Total Sample Prop. Std. Err. Critical Z L. Limit U. Limit 688 1200 0.57 0.014 1.64 0.55 0.59 19 31
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