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In: Statistics and Probability

A magazine article claims that less than 1% of U.S. passenger vehicles on the road are...

A magazine article claims that less than 1% of U.S. passenger vehicles on the road are electric. You are skeptical, and decide to investigate. From a random sample of 7000 cars you find only 14 that are electric. Test the magazine’s claim at a 1% significance level. Interpret your result.

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