SOLUTION: A tire manufacturer advertises that their radial tire has a distribution that is normal with a mean of 60,000 miles and a standard deviation of 6,000 miles. What is the percentage
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Question 324484: A tire manufacturer advertises that their radial tire has a distribution that is normal with a mean of 60,000 miles and a standard deviation of 6,000 miles. What is the percentage of their tires will travel less than 66,000 miles before wearing out?
a. 15.87%
b. 53.98%
c. 46.02%
d. 84.13%
e. 90.91%
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the z score.
Find the associated probability.
d) is the correct answer.
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