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Consider two machines that are maintained by a single repairman. Machine i functions for an…

Consider two machines that are maintained by a single repairman. Machine i functions for an exponentially distributed amount of time with rate λi before it fails. The repair times for each unit are exponential with rate µi. They are repaired in the order in which they fail. (a) Formulate a Markov chain model for this situation with state space {0; 1; 2; 12; 21}. (b) Suppose that

Consider two machines that are maintained by a single repairman. Machine i functions for an...

Find the stationary distribution.