PBS news Hour reported that 39.4% of Americans between the ages of 25 and 64 have at
Question:
PBS news Hour reported that 39.4% of Americans between the ages of 25 and 64 have at least a two-year college degree (PBS website, December 15, 2014). Assume that 50 Americans between the ages of 25 and 64 are selected randomly.
a. What is the expected number of people with at least a two-year college-degree?
b. What are the variance and standard deviation for the number of people with at least a two-year college degree?
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a E x np 50 394 197 ...View the full answer
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Related Book For 
Statistics For Business & Economics
ISBN: 9781305585317
13th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
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