2 Before burning out, a light bulb gives X hours of light, where X is N(500, 400)....
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2 Before burning out, a light bulb gives X hours of light, where X is N(500, 400). If we have 3 bulbs, what is the probability that they will give a total of at least 1,460 hours of light?
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Related Book For 
Operations Research Applications And Algorithms
ISBN: 9780534380588
4th Edition
Authors: Wayne L. Winston
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