Mathematics, 10.04.2021 01:10 emmeaw245

Movie critics claim that 68% of adults and 79% of teenagers would recommend seeing the newest action movie. Suppose a random sample of 43 adults and 52 teenagers is selected. Let A and be the sample proportions of
adult and teenage moviegoers, respectively, who would recommend this movie.
Which of the following is the correct calculation and interpretation of the standard deviation of the sampling
distribution of PA-BT?
The difference (adult-teenager) in the sample proportions of those who would recommend this action movie
varies about 0.008 from the true difference in proportions.
The difference (adult-teenager) in the sample proportions of those who would recommend this action movie
varies about 0.043 from the true difference in proportions,
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.
The difference (adult-teenager) in the sample proportions of those who would recommend this action movie
varies about 0.176 from the true difference in proportions.

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Movie critics claim that 68% of adults and 79% of teenagers would recommend seeing the newest action...