In 1948, an organization surveyed 1100 adults and asked, Are you a total abstainer from, or do

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In 1948, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you on occasion consume, alcoholic beverages?" Of the 1100 adults surveyed, 374 indicated that they were total abstainers. In a recent survey, the same question was asked of 1100 adults and 330 indicated that they were total abstainers. Determine the sample proportion for each sample. Has the proportion of adults who totally abstain from alcohol changed? Use the \(\alpha=0.10\) level of significance.

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