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Home Q & A Board Science-Related Homework Help Mathematics
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Acostak1 Acostak1
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6 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 at least 30,000 miles?
 a. 0.4772
  b. 0.9772
  c. 0.0228
  d. 0.5000
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suarezs1suarezs1
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6 years ago
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This site is awesome
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