The life of light bulbs is distributed normally. The variance of the lifetime is 625 and...

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The life of light bulbs is distributed normally. The variance of the lifetime is 625 and the mean lifetime of a bulb is 570 hours. Find the probability of a bulb lasting for between 532 and 599 hours. Round your answer to four decimal places.

math Statistics-And-Probability

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Answer 1

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The lte of Anht bulbs is disthbuded normallys The vanonce ( o the lifetime is 625 and the mean fetime of a bulb is 57o hours bbuted norm standard deiahan (s) 5s 25 coewart-to-find-_-p(532-ㄑㄨㄑㄧ-511) 0.8770 - 0.0643 Probability is 0:3127

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The life of light bulbs is distributed normally. The variance of the lifetime is 625 and...

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