Question: . Q40 40 Problem 4: A work-study sample of a manufacturing activity conducted over a 40-hou period shows that a worker with an 85% rating

. Q40 40 Problem 4: A work-study sample of a

Q40 40 Problem 4: A work-study sample of a manufacturing activity conducted over a 40-hou period shows that a worker with an 85% rating produced 12 parts. The worker's idle time was 10% and the allowance factor was 12% Find the Normal and Standard time for this activity. Problem 5: Jim and Bob recently time-studied a janitorial task. From a sample of 75 observations, they computed an average cycle time of 15 minutes with a standard deviation of 2 minutes. Was their sample large enough that on be 99% confident that the standard time is within 5% of the true value? Problem 6: Consider the following task broken down into 5 MTM elements: TMUS 14.2 Code in MTM Books R12D BG1 AP2 3.5 10.6 Reach to tool box Grasp a tool Separate tool by pressing Turn tool Move and focus eyes 3.5 13.4 T45S

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