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The lifetimes of LED light bulbs are normally distributed with a mean of 50,000 hours and a standard deviation of 3,500 hours. What is the

  1. The lifetimes of LED light bulbs are normally distributed with a mean of 50,000 hours and a standard deviation of 3,500 hours. What is the probability that a randomly selected LED light bulb will have a lifetime between 45,000and 55,000 hours?
  2. Round your answer to 3decimal places.

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