M/M/s Queueing Calculations 1200% Basic Parameters Arrival Rate Service Rate Number of Servers Time Unit per hour Number in system Probability per hour 0 #NAME? 1 #NAME? hour 2 #NAME? 3 #NAME? Basic Performance Measures 4 #NAME? Utilization ### 5 #NAME? P(0), probability that the system ### 6 #NAME? is empty Lq, expected number in queue ### 7 #NAME? L, expected number in system ### 8 #NAME? Wq, expected time in queue ### 9 #NAME? W, expected total time in system ### 10 #NAME? Probability that customer waits ### 11 #NAME? 12 #NAME? Advanced Parameters 13 #NAME? Threshold time 0.1 hours 14 #NAME? Desired service level 90% 15 #NAME? 16 #NAME? Advanced Performance Measures 17 #NAME? Current service level ### 18 #NAME? Number of servers required to achieve desired service level ### 19 #NAME? 20 #NAME? Total #NAME? 1000% 800% Probability 600% 400% 200% 0% 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Number in system s L