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Two researchers Beth and Frank ask a random sample of teenagers whether or not they...

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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 75 89 Indicate which interval has to be wrong and explain your choice

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