Advanced Placement (AP), 11.02.2021 04:50 amberell1234

In high school X, approximately 9 percent of the students saw a certain movie on opening night. From a random sample of 200 students from high school Y, 22 saw the movie on opening night. Consider a hypothesis test to investigate whether the proportion of all students in high school Y who saw the movie on opening night is greater than that of high school X. Which of the following is the standard deviation used to calculate the test statistic for the one-sample z-test?

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In high school X, approximately 9 percent of the students saw a certain movie on opening night. From...