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An analyst has timed a metal-cutting operation for 50 cycles. The average time per cycle was 10.8 minutes, and the standard deviation was 1.20 minutes
An analyst has timed a metal-cutting operation for 50 cycles. The average time per cycle was 10.8 minutes, and the standard deviation was 1.20 minutes for a worker with a performance rating of 135 percent. Assume an allowance of 15 percent of job time. Find the standard time for this operation.
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