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Mathematics, 04.02.2020 22:49 darius5349
Agovernor is concerned about his “negatives” –the percentage of state residents who express disapproval of his job performance. his political committee pays for a series of tv ads, hoping that they can keep the negatives below 52%. they will use follow-up polling to assess the ads’ effectiveness. after the political ad campaign pollsters check the governor’s negatives they test the hypothesis that the ads produced no change against the alternative that the negatives are now below 52%, and find a p-value of 0.058. which conclusion is appropriate? a. there’s a 5.8% chance that the ads worked. b. there’s a 94.2% chance that the ads worked. c. there’s a 5.8% chance that the poll they conducted is correct. d. there’s a 5.8% chance that poll results could be just natural sampling variation rather than a real change in public opinion.
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