Mathematics, 16.03.2020 22:20, MoparorNocar061401

The life of light bulbs is distributed normally. The standard deviation of the lifetime is 25 hours and the mean lifetime of a bulb is 590 hours. Find the probability of a bulb lasting for at most 637 hours. Round your answer to four decimal places.

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The life of light bulbs is distributed normally. The standard deviation of the lifetime is 25 hours...