A random sample of 80 tires showed that the mean mileage per tire was 41,700 mi, with a standard deviation of 4300 mi. a. Determine the z-score, to the nearest hundredth, for a tire that provided...

A random sample of 80 tires showed that the mean mileage per tire was 41,700 mi, with a standard deviation of 4300 mi. a. Determine the z-score, to the nearest hundredth, for a tire that provided 46,300 mi of wear. b. The z-score for one tire was -2.44. What mileage did this tire provide? Round your result to the nearest hundred miles.

Jun 09, 2022

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