Survey of Drinking In a Gallup survey, 1087 randomly selected adults were asked Do you have occasion

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Survey of Drinking In a Gallup survey, 1087 randomly selected adults were asked

“Do you have occasion to use alcoholic beverages such as liquor, wine, or beer, or are you a total abstainer?” Sixty-two percent of the subjects said that they used alcoholic beverages. Consider a hypothesis test that uses a 0.05 significance level to test the claim that the majority (more than 50%) of adults use alcoholic beverages.

a. What is the test statistic?

b. What is the critical value?

c. What is the P-value?

d. What is the conclusion?

e. Based on the preceding results, can we conclude that 62% is significantly greater than 50% for all such hypothesis tests? Why or why not?

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Related Book For  book-img-for-question

Elementary Statistics

ISBN: 9780201775709

9th Edition

Authors: Mario F. Triola

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