Arrival rate 8. Service rate low 4. Service rate high 8. Total; Lost; Usage 105 15 0.617724 117 22 0.6742 100 6 0.591248 122 8 0.704007 124 13 0.754748 117 15 0.704045 116 12 0.698273 125 8 0.737748 125 16 0.762676 133 20 0.7917