Question: An operation is timed for 50 cycles. The average time per cycle was 10.1 minutes, and the standard deviation was 1.21 minutes for a worker

An operation is timed for 50 cycles. The average time per cycle was 10.1 minutes, and the standard deviation was 1.21 minutes for a worker with a performance rating of 121 percent. Assume an allowance of 21 percent of job time. Find the standard time for this operation.

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