Question: Chapter 7: An analyst has timed a metal-cutting operation for 50 cycles. The average time per cycle was 9.0 minutes, and the standard deviation was

Chapter 7: An analyst has timed a metal-cutting operation for 50 cycles. The average time per cycle was 9.0 minutes, and the standard deviation was 1.10 minutes for a worker with a performance rating of 110 percent. Assume an allowance of 10 percent of job time. Find the standard time for this operation.

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