Math 240

X zy Section 8.2 - MAT 240: Applied St X Course Hero + books.com/zybook/SNHUMAT240Master1/chapter/8/section/2 rary > MAT 240: Applied Statistics home > lypothesis test for the difference between two population proportions zyBooks catalog ? Help/ CHALLENGE ACTIVITY 8.2.3: Hypothesis testing for two population proportions (one-tailed z-test). Start A university department chair believes that the afternoon section of a large survey class has a consistently lower 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 below. Morning section Afternoon section Successes 346 Successes 426 Observations 400 Observations 500 p-hat_1 0.865 p-hat_2 0.852 Confidence level 95% z-score 0.5548 p-value 0.2912 -3 -2 -1 2 p = Ex: 1.234 Z= Morning section samples: n1 = Ex: 9 Afternoon section samples: n2 = Sample proportion for morning section samples: p1 = Ex: 1.234 Sample proportion for afternoon section samples: p2 =