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Question 15 4 pts The tread life of tires mounted on light duty trucks follows the normal probability distribution with a mean of 60,000
Question 15 4 pts The tread life of tires mounted on light duty trucks follows the normal probability distribution with a mean of 60,000 miles and a standard deviation of 4,000 miles. Suppose you bought a set of four tires, what is the likelihood the mean tire life of these four tines is more than 66.000 miles? 0.0013 O09544 O BANY 0.9987 04800
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