Wearout of mileage of a sparky


The wearout of mileage of a Sparky All Weather tire is normally distributed with a mean of 33000 miles and a standard deviation of 2600 miles.

If a manufacturer guarantees that the tires last at least 27020 miles, what percentage of tires will live up the guarantee?

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Basic Statistics: Wearout of mileage of a sparky
Reference No:- TGS0860948

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