23. Politics and sex. One month before the election, a
Chapter 22, Problem 23(choose chapter or problem)
23. Politics and sex. One month before the election, a pollof 630 randomly selected voters showed 54% planningto vote for a certain candidate. A week later it becameknown that he had had an extramarital affair, and a newpoll showed only 51% of 1010 voters supporting him. Dothese results indicate a decrease in voter support for hiscandidacy?a) Test an appropriate hypothesis and state yourconclusion.b) If your conclusion turns out to be wrong, did youmake a Type I or Type II error?c) If you concluded there was a difference, estimate thatdifference with a confidence interval and interpretyour interval in context.
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