Suppose a tire manufacturer wants to set a mileage guarantee on its new XB 70 tire.
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Suppose a tire manufacturer wants to set a mileage guarantee on its new XB 70 tire. Tests revealed that the tire's

mileage is normally distributed with a mean of 47,900 miles and a standard deviation of 2,050 miles. The manufacturer wants to set the guaranteed mileage so that no more than 5 percent of the tires will have to be replaced. What guaranteed mileage should the manufacturer announce?

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let k be the guaranteed mileage should... View the full answer

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So required... View the full answer

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