Arrival rate 8. Service rate low 6. Service rate high 10. Total; Lost; Usage 98 22 0.756306 105 34 0.813974 94 12 0.728016 108 22 0.819719 110 27 0.887974 107 25 0.84236 104 24 0.834766 108 25 0.84572 110 31 0.888406 113 40 0.895979