pls help with hw question

In 1945, 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, 352 indicated that they were total abstainers. In a recent survey, the same question was asked of 1100 adults and 275 indicated that they were total abstainers. Complete parts (a) and (b) below. . . . . . (a) Determine the sample proportion for each sample. The proportions of the adults who took the 1945 survey and the recent survey who were total abstainers are and , respectively. nts (Round to three decimal places as needed.) SS rary ns