Suppose that you plan to employ a significance level of ? = 0.05 to test the claim that p1 = p2. Employ the given sample sizes and numbers of successes to find the z test statistic for the hypothesis test.
Information about movie ticket sales was printed in a movie magazine. Out of fifty PG-rated movies, 35% had ticket sales in excess of $3,000,000. Out of thirty-five R-rated movies, 22% grossed over $3,000,000.
a. z = 2.067
b. z = 1.292
c. z = 4.005