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Statistics / Stats: Modeling The World 3 / Chapter 19 / Problem 36

Stats: Modeling The World | 3rd Edition | ISBN: 9780131359581 | Authors: David E. Bock

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36. Amendment. A TV news reporter says that a proposed

Chapter 19, Problem 36

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QUESTION:

36. Amendment. A TV news reporter says that a proposed constitutional amendment is likely to win approval in the upcoming election because a poll of 1505 likely voters indicated that 52% would vote in favor. The reporter goes on to say that the margin of error for this poll was 3%. a) Explain why the poll is actually inconclusive. b) What confidence level did the pollsters use?

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QUESTION:

36. Amendment. A TV news reporter says that a proposed constitutional amendment is likely to win approval in the upcoming election because a poll of 1505 likely voters indicated that 52% would vote in favor. The reporter goes on to say that the margin of error for this poll was 3%. a) Explain why the poll is actually inconclusive. b) What confidence level did the pollsters use?

ANSWER:

a) The poll is inconclusive because the margin of victory (a 4% lead) is smaller than the margi

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