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ejohnson3310 ejohnson3310
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7 years ago
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles. What is the probability that a randomly selected tire will have a life of exactly 47,500 miles?
 a. .4332
  b. .9332
  c. .0668
  d. 0
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syaarsyaar
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ejohnson3310 Author
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7 years ago
Thank you, thank you, thank you!
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You make an excellent tutor!
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This helped my grade so much Perfect
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