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A leasing firm claims that the mean number of miles driven annually, u, in its leased cars is less than 13660 miles. A random sample of 11 cars leased from

this firm had a mean of 10952 annual miles driven. It is known that the population standard deviation of the number of miles driven in cars from this firm is 3280 miles. Assume that the population is normally distributed. Is there support for the firm's claim at the 0.01 level of significance?

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