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Mathematics, 30.05.2020 03:59 phillipsangela014
2. Two researchers, Beth and Frank, ask a random sample of teenagers whether or not they had
been to the movies in the last month. They find that their sample proportion (p) of teens who
said yes was .8 (80%) When they construct a confidence interval based on this sample
proportion, Beth comes up with (.73, 87) while Frank gets (175, 89). Indicate which interval
has to be wrong, and explain your choice. (4 pts)
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Answers: 1
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