Movie critics claim that 68% of adults and 79% of teenagers would recommend seeing the newest action movie. Suppose random samples of 43 adu

Question

Movie critics claim that 68% of adults and 79% of teenagers would recommend seeing the newest action movie. Suppose random samples of 43 adults and 52 teenagers are selected. Let p hat Subscript Upper A and p hat Subscript Upper T be the sample proportions of adult and teenage moviegoers, respectively, who would recommend this movie.

Which of the following is the mean of the sampling distribution of p hat Subscript Upper A Baseline minus p hat Subscript Upper T?
–0.11
0.11
0.74
1.47

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Minh Khuê 3 years 2021-08-16T04:03:45+00:00 1 Answers 20 views 0

Answers ( )

  1. diemkieu
    0
    2021-08-16T04:04:53+00:00
    Reply

    The difference (adult – teenager) in the sample proportions of those who would recommend this action movie varies about 0.091 from the true difference in proportions.

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