According to the Pew Research Center, 73% of Americans have read at least one book during the
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According to the Pew Research Center, 73% of Americans have read at least one book during the past year. Suppose 200 Americans are randomly selected.
a. Find the probability that more than 150 have read at least one book during the past year.
b. Find the probability that between 140 and 150 have read at least one book during the past year.
c. Find the mean and the standard deviation for this binomial distribution.
d. Using your answer to part c, complete this sentence: It would be surprising to find that fewer than ___ people in the sample had read at least one book in the last year.
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a To find the probability that more than 150 have read at lea...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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