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Each year, a diesel engine manufacturing plant tests a sample of twenty-five of their engines...

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Each year, a diesel engine manufacturing plant tests a sample of twenty-five of their engines to make sure the horsepower is to specification. This year, the average was 2,538 horsepower, with a 99% confidence interval of [2,494,2,582]. If they do not change any processes for next year's manufacturing run, what is the probability that the averagehorsepower next year will be outside this range?1%0.1%5%10%

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