=+9.51 Despite protests from civil libertarians and gay rights activists, many people favor mandatory AIDS testing of certain at-risk groups, and some people even believe that all citizens should be tested. What proportion of the adults in the United States favor mandatory testing for all citizens? To assess public opinion on this issue, researchers conducted a survey of 1014 randomly selected adult U.S.

citizens (“Large Majorities Continue to Back AIDS Testing,” Gallup Poll Monthly [1991]: 25–28). The article reported that 466 of the 1014 people surveyed believed that