Honda introduced a new tire for both the CR-V and the Pilot models.  Honda would like to estimate the average life of its new tires in terms of how many miles it lasts.  Determine the sample size needed to construct a 98% confidence interval with a margin of error equal to 2,000 miles.  Assume the standard deviation for the tire life of this particular brand is 8,000 miles.

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Honda introduced a new tire for both the CR-V and the Pilot models.  Honda would like to estimate the average life of its new tires in terms of how many miles it lasts.  Determine the sample size needed to construct a 98% confidence interval with a margin of error equal to 2,000 miles.  Assume the standard deviation for the tire life of this particular brand is 8,000 miles.



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