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Mathematics, 12.07.2019 06:10 CesarCarvajal969

Aleasing firm claims that the mean number of miles driven annually, μ, in its leased cars is less than 13460 miles. a random sample of 50 cars leased from this firm had a mean of 12781 annual miles driven. it is known that the population standard deviation of the number of miles driven in cars from this firm is 1760 miles. is there support for the firm's claim at the 0.01 level of significance?

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