Movie critics claim that 68% of adults and 79% of teenagers would recommend seeing the newest action movie. Suppose random sampl
es 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
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 quantity demanded would increase due to the cheaper price people would want to take advantage and buy it when it was on sale. There is not enough information to determine whether the supply or demand would maintain so D is your answer.