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Mathematics, 17.08.2019 20:10 klaytminecraft

Anew light bulb has a probability of 3 of remain working after 1500 4 hours, and a probability of 1 of remain working after 2000 hours. a 2 particular light bulb has been used for 1500 hours and is still working. what is the probability that this light bulb can be used for another 500 hours at least?

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Anew light bulb has a probability of 3 of remain working after 1500 4 hours, and a probability of 1...
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