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Mathematics, 06.03.2020 22:01 vliu732
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 510 hours. Find the probability of a bulb lasting for at most 552 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...
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