A sample survey was used to interview a simple random sample of 200 female college students and 250 male college students. Researchers want to determine whether there is a difference in the proportion of male and female college students who had a job during the past
semester. In all, 146 females and 212 males reported they had a job the previous semester. Take Pm and pr to be the proportions of all college
males and females, respectively, who worked the previous semester. Which hypotheses are to be tested? (5 points)