A Harris (Feb. 2013) poll found that one-third of Americans (33%) believe finding and picking up a

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A Harris (Feb. 2013) poll found that one-third of Americans (33%) believe finding and picking up a penny is good luck. Assume that the true proportion of all Americans who believe finding and picking up a penny is good luck is p = .33. In a random sample of 1,000 Americans, let  represent the proportion who believe finding and picking up a penny is good luck.
a. Describe the properties of the sampling distribution of .
b. Find P( < .402. Interpret this result.
c. Find P(  > .30). Interpret this result.
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Statistics

ISBN: 9780134080215

13th Edition

Authors: James T. McClave

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