Question: Help me with this Consider an Erlang M/M / 3 queue. Let (X (t) : t 2 0) denote the number of busy servers at

Help me with this

Consider an Erlang M/M / 3 queue. Let (X (t) : t 2 0) denote the number of busy servers at time t. a) Write down the Q matrix. b) Find 11mHm 1P(X(t) = o). c) Find E[To,3]. d) Find 1P({state 2 is reached before 0}|X(0) = 1)

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