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One of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40,000 miles. The tire company believes that the tire actually lasts more than 40,000 miles. A sample 49 tires revealed that the mean number of miles is 45,000 miles with a standard deviation of 15,000 miles. Test the hypothesis with a 0.05 significance level.

If the actual true tire mileage is 42,000 miles, what is the probability of a Type II error?

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  • Category:- Statistics and Probability
  • Reference No.:- M9122852

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