The tread life in kilometers of a certain model of radial tire is normally distributed, with a
Question:
a. If one radial tire is randomly selected, what is the probability that it will have a tread life of more than 62,210 km?
b. If 16 radial tires are randomly selected, what is the probability that their mean tread life is more than 62,210 km?
c. What is the probability that each of the next 3 tires selected will have a tread life greater than 60,000 km?
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a b C let x the tread life of a randomly selected tire Px 62210 Pz 44 5000 1700 3300 The xs are ...View the full answer
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