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Tire lifetimes The lifetime of a certain type of automobile tire in thousands of miles...

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Tire lifetimes The lifetime of a certain type of automobile tire in thousands of miles is normally distributed with mean 40 and standard deviation o 6 Use the TI 84 Plus calculator to answer the following a Find the 12th percentile of the tire lifetimes b Find the 64th percentile of the tire lifetimes c Find the third quartile of the tire lifetimes d The tire company wants to guarantee that its tires will last at least a certain number of miles What number of miles in thousands should the company guarantee so that only 3 of the tires violate the guarantee Round the answers to at least two decimal places Part 1 of 4 The 12th percentile of the tire lifetimes is thousand miles X S

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