Twenty-eight percent of U.S. adults think that climate scientists understand the causes of climate change very well.

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Twenty-eight percent of U.S. adults think that climate scientists understand the causes of climate change very well. You randomly select 25 U.S. adults.

Find the probability that the number of U.S. adults who think that climate scientists understand the causes of climate change very well is

(a) exactly three,

(b) between 8 and 11, inclusive, and

(c) less than two.

(d) Are any of these events unusual? Explain your reasoning.

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Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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