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Continental tyre has warranty for 50,000 kilometers. It is known that the usage of this brand...

  1. Continental tyre has warranty for 50,000 kilometers. It is known that the usage of this brand of tyre has a normal distribution with a mean of 75,000 kilometers and a standard deviation of 15,000 kilometers. Answer the following questions.
    1. Find the probability that a randomly selected Continental tyre will damage at the usage of less than 50,000 kilometers.   
    2. Find the probability that a randomly selected Continental tyre will damage at the usage between 50,000 and 87,000 kilometers.

iii. Find the probability that a randomly selected Continental tyre will damage at the usage of more than 87,000 kilometers.   

Math   Statistics-And-Probability   
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