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A Tire Company Finds the Lifespan for One Brand of Its

Question 105

Multiple Choice

A tire company finds the lifespan for one brand of its tires is normally distributed with a mean of 46,800 miles and a standard deviation of 4000 miles. If the manufacturer is willing to replace no more than 10% of the tires,
What should be the approximate number of miles for a warranty?


A) 41,680
B) 51,920
C) 40,220
D) 53,380

Correct Answer:

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