The U.S. Department of Transportation estimates that 10% of Americans carpool. Does that imply that 10% of

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The U.S. Department of Transportation estimates that 10% of Americans carpool. Does that imply that 10% of cars will have two or more occupants? A sample of 300 cars traveling southbound on the New Jersey Turnpike yesterday revealed that 63 had two or more occupants. At the .01 significance level, can we conclude that 10% of cars traveling on the New Jersey Turnpike have two or more occupants?

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Statistical Techniques in Business and Economics

ISBN: 978-1259666360

17th edition

Authors: Douglas A. Lind, William G Marchal

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