Calculate the probability of a train having no failed engine

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A railway train is fitted with three engine/transmission units that can be assumed to exhibit a constant hazard with a mean life of 200 h. In a 15 h working day, calculate the probability of a train having: (a) no failed engine/transmission units, (b) not more than one failed unit, (c) not more than two failed units

Reference no: EM13269298

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