A bank has 3 counter desks and a very large waiting lounge (assume infinite queue). Customers arrive with a mean of 20 per hour and each desk serves with mean 10 customers per hour, where both rates are exponential. Determine the following: (a) Determine An, Mn, C, and eff for n = 0, 1, 2, 3.... (b) The steady-state probabilities pn, n = (c) Calculate steady-state measures Ls, Ws, Lq, Wq,c and utilization ratio. = 0, 1, 2, 3....

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