Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean u 39 and standard deviation o--4. (a) What is the probability that a randomly chosen tire has a lifetime greater than 47 thousand miles? (b) What proportion of tires have lifetimes between 35 and 43 thousand miles? (c) What proportion of tires have lifetimes less than 44 thousand miles? Round the answers to at least four decimal places. Part: 0/3 Part 1 of 3 The probability that a randomly chosen tire has a lifetime greater than 47 thousand miles is

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