Answered: Testing Claims About Proportions. In Exercises 932, test the given claim

Chapter 8, Problem 18

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Testing Claims About Proportions. In Exercises 932, test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, Pvalue or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the Pvalue method unless your instructor specifies otherwise. Use the normal distribution as an approximation to the binomial distribution (as described in Part 1 of this section). Perception and Reality In a presidential election, 308 out of 611 voters surveyed said that they voted for the candidate who won (based on datafrom ICR Survey Research Group). Use a 0.10 significance level to test the claim that among all voters, the percentage who believe that they voted forthe winning candidate is equal to 43%, which is the actual percentage of votes for the winning candidate. What does the result suggest about voterperceptions?