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9) Construct a 95% confidence interval for the difference in the population proportion of Republicans and Democrats who will not wear a mask. Does your interval suggest that there is a difference? Explain how your interval supports your answer.

9) Construct a 95% confidence interval for the difference in the population proportion of Republicans and Democrats who will not wear a mask. Does your interval suggest that there is a difference? Explain how your interval supports your answer.

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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#7-9: In response to the Covid-19 virus, The CDC issueda recommendation to wear a mask when out in publie spaces. The following table gives the results of a survey given to New Yorkers on whether they will wear a mask along with their political affiliation. Yes Republican Democrat Independent 160 195 120 No 112 88 15 ) Does the survey suggest that the proportion of all republicans who say they will wear a mask less than the proportion of all democrats who say they will wear a mask? Use a = .05. i-ng odi owted bon 20. =nsUos et sl ai420tih asom oidi odiodw oninrosb o ngb g bordotem odt saU (6 Inondasi-log odi nedi aol ar inomonom loseou-aig odi lad vigni bluo ls ds0> oo 8) Of those who say they will NOT wear a mask, is there evidence to suggest that the majority aremowsom Republicans? Support your answer with a = .05. 9) Construct a 95% confidence interval for the difference in the population proportion of Republicans and Democrats who will not wear a mask. Does your interval suggest that there is a difference? Explain how your interval supports your answer.
Transcribed Image Text:#7-9: In response to the Covid-19 virus, The CDC issueda recommendation to wear a mask when out in publie spaces. The following table gives the results of a survey given to New Yorkers on whether they will wear a mask along with their political affiliation. Yes Republican Democrat Independent 160 195 120 No 112 88 15 ) Does the survey suggest that the proportion of all republicans who say they will wear a mask less than the proportion of all democrats who say they will wear a mask? Use a = .05. i-ng odi owted bon 20. =nsUos et sl ai420tih asom oidi odiodw oninrosb o ngb g bordotem odt saU (6 Inondasi-log odi nedi aol ar inomonom loseou-aig odi lad vigni bluo ls ds0> oo 8) Of those who say they will NOT wear a mask, is there evidence to suggest that the majority aremowsom Republicans? Support your answer with a = .05. 9) Construct a 95% confidence interval for the difference in the population proportion of Republicans and Democrats who will not wear a mask. Does your interval suggest that there is a difference? Explain how your interval supports your answer.
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