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I. In a KRC Research poll, 1002 adults were asked if they felt vulnerable to identity theft, and 531 of them said yes. Use a 0.05 significance level to test the claim that the majority of adults feel vulnerable to identity theft. Write the null and alternative hypotheses in symbolic form. a. b. Find the test statistic. c. Find the P-value. d. Make a decision about the null hypothesis. e. State the final conclusion, addressing the original claim, in nontechnical terms. In a 3M Privacy Filters poll, 806 adults were asked to identify their favorite seat when they fly, and 492 of them chose a window seat. Use a 0.01 significance level to test the claim that the majority of adults prefer window seats when they fly. . a. Write the null and alternative hypotheses in symbolic form. b. Find the test statistic. c. Find the critical value. d. Make a decision about the null hypothesis. State the final conclusion, addressing the original claim, in nontechnical terms. e.
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