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In 1946, an organization surveyed 1100 adults and asked, \"Are you a total absta

ID: 3363959 • Letter: I

Question

In 1946, 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, 440 indicated that they were total abstainers. In a recent survey, the same question was asked of 1100 adults and 396 indicated that they were total abstainers. Complete parts (a) and (b) below. The proportions of the adults who took the 1946 survey and the recent survey who were total abstainers areandrespectively. The proportions of the adults who took the 1946 survey and the recent survey who were total abstainers are andre (Round to three decimal places as needed.)

Explanation / Answer

a) sample proportion, for 1946 survey = 440/1100 = 0.4

    sample proportion, for recent survey = 396/1100 = 0.36