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An organization surveyed 1100 adults andasked, Are you a total abstainerfrom, or do you on occasionconsume, alcoholicbeverages? Of the 1100 indicated that they were total
An organization surveyed 1100
adults andasked, "Are you a total abstainerfrom, or do you on occasionconsume, alcoholicbeverages?" Of the 1100
indicated that they were total abstainers. Sixty yearslater, the same question was asked of 1100
adults and 396
indicated that they were total abstainers. Has the proportion of adults who totally abstain from alcoholchanged? Use the =0.01
level of significance. What is the test statistic?
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