=+49. Cars. A student is considering publishing a new magazine aimed directly at owners of Japanese automobiles. He wanted to estimate the fraction of cars in the United States that are made in Japan. The computer output summarizes the results of a random sample of 50 autos. Explain carefully what it tells you.

z-interval for proportion With 90.00% confidence 0.29938661 6 p1japan2 6 0.46984416