Tuesday
March 31, 2015

Homework Help: Statistics

Posted by Brea on Thursday, November 24, 2011 at 11:08pm.

Suppose a tire manufacturer wants to set a mileage guarantee on its new XB 70 tire. Life tests revealed that the mean mileage is 47,900 miles and the standard deviation is 2,050. The manufacturer wants to set the guaranteed mileage so that no more than five percent of the tires will have to be replaced. What guaranteed mileage should the manufacturer set? (assume normality)

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