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The tires of your car have a life span of 40,000 miles and an estimated standard deviation of 1,500 miles. Assume the life of your

The tires of your car have a life span of 40,000 miles and an estimated standard deviation of 1,500 miles. Assume the life of your tires is normally distributed

  1. Find the probability that the tires will last more than 42,000 miles
  2. Find the probability that the tires will last less than 38,200 miles
  3. How many miles will the top 10% of the tires survive.

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