Question

8. A snow tire manufacturer
believes that a typical set of snow tires.lasts on average for 30,000 miles.
They also believe that 95% of drivers get between 20,000 and 40,000 miles of
use from the tires. What value of o, the standard deviation, would be needed to
make the information above approximately consistent with a Normal distribution
model for tire wear? You should use the Empirical Rule to answer this question.

Answer 1

Answer:

5,000

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