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11. An analyst has timed a metal cutting operation for 50 cycles. The average per cycle was 10.40 minutes and the standard deviation was 1.20 minutes for a worker with a performance rating of 125%. Assume an allowance of 16% of job time. What is the standard time? a. 10.40 min b. 15.48 min c. 15.08 min d. 13 min

11. An analyst has timed a metal cutting operation for 50 cycles. The average per cycle was 10.40 minutes and the standard deviation was 1.20 minutes for a worker with a performance rating of 125%. Assume an allowance of 16% of job time. What is the standard time? a. 10.40 min b. 15.48 min c. 15.08 min d. 13 min

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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11. An analyst has timed a metal cutting operation for 50 cycles. The average per cycle was 10.40 minutes and the standard deviation was 1.20 minutes for a worker with a performance rating of 125%. Assume an allowance of 16% of job time. What is the standard time? a. 10.40 min b. 15.48 min c. 15.08 min d. 13 min
Transcribed Image Text:11. An analyst has timed a metal cutting operation for 50 cycles. The average per cycle was 10.40 minutes and the standard deviation was 1.20 minutes for a worker with a performance rating of 125%. Assume an allowance of 16% of job time. What is the standard time? a. 10.40 min b. 15.48 min c. 15.08 min d. 13 min
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