An organization surveyed 1 comma 100 adults and asked, "Are you a total abstainer from, or do you on occasion consume, alcoholic beverages?" Of the 1 comma 100 adults surveyed, 362 indicated that they were total abstainers. Sixty years later, the same question was asked of 1 comma 100 adults and 435 indicated that they were total abstainers. Has the proportion of adults who totally abstain from alcohol changed? Use the alpha equals 0.01 level of significance. The test statistic z 0 is
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