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Show all work 24. A political candidate claims that 60% of voters favor his proposed tax reform bill. The Gallup Organization takes a random sample

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24. A political candidate claims that 60% of voters favor his proposed tax reform bill. The Gallup Organization takes a random sample of 600 workers and finds that 290 favor the proposed tax reform bill. a) Use the data collected by the Gallup Organization to find a large-sample 95% confidence interval for the true proportion of voters that favor the tax reform bill. (3 pts) b) Using your result from part (a) you should conclude: (1.5 pts) 1. The political candidate is incorrect because 48% is not in the CI. i1. The political candidate is correct because 48% is in the CI. 111. The political candidate is incorrect because 60% is not in the CI IV . The political candidate is correct because 60% is in the CI. c) How large a sample n, is needed to get the common + 3% percentage point margin of error with 95% confidence? To be conservative, use p* = 0.50 as the initial estimate. (2.5 pts)

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