Question: The U S Department of Commerce estimates that 17 of all
The U.S. Department of Commerce estimates that 17% of all automobiles on the road in the United States at a certain time are made in Japan. An organization that wants to limit imports believes that the proportion of Japanese cars on the road during the period in question is higher than 17% and wants to prove this. A random sample of 2,000 cars is observed, 381 of which are made in Japan. Conduct the hypothesis test at α = 0.01, and state whether you believe the reported figure.
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