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20. The following are response times for customer service. Requirements are 10.50 to 10.90. Annual volume is 600,000. Each "bad" one cost $12. Use the table below to comment on the process. If the process is in control the proportion non conforming is Sample Observations Average Range 10.65 10.701 10.65 10.80 10.70 0.15 10.75 10.85 10.75 10.70 10.76 0.15 10.75 10.80 10.80 10.70 10.76 0.10 10.601 10.70 | 10.65 10.65 10.65 0.10 10.70 | 10.75 10.70 10.65 10.70 0.10 10.60 10.75 10.75 10.75 10.71 0.15 10.75 10.80 10.65 10.75 10.74| 0.15 10.65 10.80 10.50 10.70 10.66 0.30 10.60 10.70 10.70 10 65 10.66 0.10 10.80 10.75 10.60 10.75 10.731 0.20 10.85 10.70 1 10.65 10.70 10.731 0.20 10.70 10.75 10.75 10.70 10.731 0.05 10.65 10.70 10.75 10.65 10.69 0.10 10.70 10.60 10.90 10.80 10.75 0.30 10.65 10.80 10.65 10.60 10.68 0.20 10.75 10.70 10.65 10.75 10.71 0.10 10.90 10.70 10.80 10.70 10.78) 0.20 10.75 10.65 10.70 10.65 10.69 0.10 10.75 1060 10.75 10.50 10 68 0.15 10.65 10.551 10.70 10.70 10.65 0.15 10.60 10651 10.65 10.70 10.65 0.10 10.90 10601 10.70 10.65 10.71 10.80 10.70 10.65 10.50 10.66 10.65 10.65 10.90 10.75 Average 10.70 .8056% Not in control .1944% .0153%