#7-9: In response to Virus, ISsued a recommendation to wear a mask whe õut in public 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 No 160 Republican Democrat Independent 112 195 88 120 15 7) 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.
#7-9: In response to Virus, ISsued a recommendation to wear a mask whe õut in public 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 No 160 Republican Democrat Independent 112 195 88 120 15 7) 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.
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 please
Transcribed Image Text:#7-9: In response to the Covid-19 virus, The CDC issued a recommendation to wear a mask when out in public
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
No
Republican
Democrat
160
112
195
88
Independent
120
15
7) 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.
8) Of those who say they will NOT wear a mask, is there evidence to suggest that the majority are
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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