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Mathematics, 16.06.2020 21:57 BryantDream

A complex electronic system is built with a certain number of backup components in its subsystems. One subsystem has six identical components, each with a probability of 0.45 of failing in less than 1,000 hours. The sub system will operate if any three of the six components are operating. Assume that the components operate independently. Find the probability that:. a. exactly two of the four components last longer than 1000 hoursb. the subsystem operates longer than 1000 hours

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