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Mathematics, 27.11.2019 19:31 1576729

Atire company guarantees that a particular brand of tire has a mean useful lifetime miles or more. a consumer testing agency sampled n = 10 tires on a test wheel that simulated conditions. the sample mean lifetimes (in thousands of miles) were as follows: 42 36 46 43 41 35 43 45 40 39 construct a 98% ci for the mean lifetime of this particular brand of tire.

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