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A Gallup poll conducted in November of 2011 asked the following question, “What would you say...

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A Gallup poll conducted in November of 2011 asked the followingquestion, “What would you say is the most urgent health problemfacing this country at the present time?” The choices were access,cost, obesity, cancer, government interference, or the flu. Theresponses were access (27%), cost (20%), obesity (14%), cancer(13%), government interference (3%), or the flu (less than 0.5%).The following is an excerpt from the Survey Methods section.“Results for this Gallup poll are based on telephone interviewsconducted Nov. 3-6, 2011, with a random sample of 1,012 adults ages18 and older, living in all 50 U.S. states and the District ofColumbia. For results based on a total sample of national adults,one can say with 99.7% confidence that the maximum margin ofsampling error is ±4 percentage points.” Prompt Based on this poll,find a 95% confidence interval to estimate the percentage of U.S.adults who feel that access to healthcare is the most urgent healthproblem facing this country. Interpret your interval incontext.

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