Mathematics, 06.05.2021 01:00 carlybeavers50
In a large high school, 37% of the teachers believe that five minutes is not enough time for students to change classes. However, 89% of the students believe that five minutes is not enough time for students to change classes. Let p hat Subscript Upper F and p hat Subscript Upper S be the sample proportions of teachers and students, respectively, who believe that five minutes is not enough time for students to change classes. Suppose 28 teachers and 100 students are selected at random and asked their opinion on the amount of time students have to change class.
Which of the following is the mean of the sampling distribution of p hat Subscript Upper F Baseline minus p hat Subscript s ?
A. –0.52
B. 0.52
C. 0.63
D. 1.26
Answers: 2
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