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Solve using Ti 84 A random sample of 65 tires of a certain brand has an average lifetime of 51.2 months. From previous research, the

Solve using Ti 84

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A random sample of 65 tires of a certain brand has an average lifetime of 51.2 months. From previous research, the population standard deviation is assumed to be 5.4 months. Assume that the lifetime of tires is normally distributed. Construct and interpret the 95% confidence interval for the population mean lifetime of the tires

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