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A university department chair believes that the afternoon section of a large survey class has a consistently higher proportion of students that pass the class compared to the morning section. The chair checks a random sample of student records from each section. The results of the data collected are shown belovv. mm mm 5m 415m 531 am mm um p-IIII_1 0.13pm um WHO-law m m 2.366 pm am -.1 -2 -1 I] 1 2 3 p = :Ex:1_234 z = Morning section samples: 111 = Ex: 9 Afternoon section samples: 112 = Sample proportion for morning section samples: in = Ex: 1.234 Sample proportion for afternoon section samplesg =