Males listening to the Radio. Use the following information for Exercises 32–40: The Arbitron Corporation tracks trends in radio listening. In their publication Radio Today, Arbitron reported that 92% of 18- to 24-year-old males listen to the radio each week, whereas 87% of males 65 years and older listen to the radio each week. Suppose each sample size was 1000.
39. Test, using level of significance , whether the proportion of 18- to 24-year-old males who listen to the radio each week is greater than the proportion of males 65 years and older who do so.
10.3.39
Critical-value method: . . Reject if . . . Since is , we reject . There is evidence at the level of significance that the population proportion of 18- to 24-year-old males who listen to the radio each week is greater than the population proportion of males 65 years and older who listen to the radio each week. method: . Reject if the . . . . Since the is , we reject . There is evidence at the level of significance that the population proportion of 18- to 24-year-old males who listen to the radio each week is greater than the population proportion of males 65 years and older who listen to the radio each week.