Extraterrestrials: Believe It? Based on information from Harper’s Index, r1 5 37 people out of a random sample of n1 5100 adult Americans who did not attend college believe in extraterrestrials. However, out of a random sample of n2 5100 adult Americans who did attend college, r2 5 47 claim that they believe in extraterrestrials. Does this indicate that the proportion of people who attended college and who believe in extraterrestrials is higher than the proportion who did not attend college but believe in extraterrestrials? Use a 5 0.01.

AppendixLO1