Question: please quickly 3. We want to make a time study on a worker-machine cycle. To do that, we observe times via the snapback method. This

please quickly

please quickly 3. We want to make a time study on

3. We want to make a time study on a worker-machine cycle. To do that, we observe times via the snapback method. This cycle comprises three elements: x, y, and z. Elements x and y are worker-controlled and performance rated at 100%. Element z is machine-controlled. Besides, it is given that elements y and z are performed at the same time. The PFD allowance = 10% and the machine allowance = 15%. At each cycle, the system produces one work piece. Q: Find (a) the normal time and (b) standard time for the cycle. Element y z Observed time (min) 1.33 0.90 0.80 a) a: 2.25; b: 2.475 b) a: 3.05; b: 3.395 c) a: 3.05; b: 3.475 d) O a: 2.25; b: 3.395 e) a: 3.05; b: 2.475

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