Concept explainers
Testing Claims About Proportions. In Exercises 9-32, test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method unless your instructor specifies otherwise. Use the
11. Identify Theft In a KRC Research poll, 1002 adults were asked if they felt vulnerable to identify 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.
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Essentials of Statistics, Books a la Carte Edition (5th Edition)
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