79. In response to the CovR-19 VIrus, The CDC BSUCU a recommenaon to wear a musk wIen out m puse 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 112 Republican Democrat 160 195 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 .o5. 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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7-9: In respoTIse to the Covni-19 virus, The CDC BSUCU a recommendalnon to wear a mask wnen out n pubice
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
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.
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.
Transcribed Image Text:7:40 ll ? 1 Search 7-9: In respoTIse to the Covni-19 virus, The CDC BSUCU a recommendalnon to wear a mask wnen out n pubice 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 160 112 195 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. 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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