A manufacturer of tires wants to advertise a mileage

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Reference no: EM13637644

A manufacturer of tires wants to advertise a mileage interval that excludes no more than 10% of the mileage on tires he sells. All he knows is that, for a large number of tires tested, the mean mileage was 25,000 miles, and the standard deviation was 4000 miles. What interval would you suggest?

Reference no: EM13637644

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