Mathematics, 21.03.2020 02:11 comeonmanim
After a political ad campaign, pollsters check the president's negatives. They test the hypothesis that the ads produced no change against the alternative that the negatives are now below 54% and find a p-value of 0.038.
Which conclusion is appropriate? Explain.
A- There is a 3.8% chance that the ads work.
B- There is 96.2% chance that the ad works.
C- There is a 3.8% chance that natural sampling variation could produce poll results at least as far below 54% as these if there is really no change in public opinion.
D- There is 3.8% chance that the poll they conduct ed is correct.
Answers: 1
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After a political ad campaign, pollsters check the president's negatives. They test the hypothesis t...
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