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To determine the standard working time for a special job, following observation data is collected. Observation 1 2 3 4 5 6 7 8 Time (in second) 17 18 15 14 13 15 16 13 a) If the person observed worked at a pace that is 80 percent of normal, and if the appropriate allowance for this task is 25 percent of job time, what should be the standard time? b) How many observations would be needed to be 95% confident that the maximum error in the observed time is 1 second? Assume that the standard deviation of the task time is 2 seconds. c) How many observations would be needed to be 99 % confident that the maximum error is 5% of the observed time? Assume that the standard deviation of the task time is 2 seconds. What are the formulas to solving these problems? Thanks
Provide a brief introduction on all steps involved in Procurement process? 1. Purchase requisition or purchase Indent. 2. Floating the purchase enquiry/tender. 3. Receiving quot
Your company terminated an employee for stealing a ladder. The employee filed a grievance with the union. The union argues that the employee had verbal permission from the temporar
What happens if balance doesn’t exist
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analyze the decision tree in figure A.8 what is the expected payoff for the best alternative? first be sure to infer the missing probabilities
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Doing something at the lowest possible cost is called: ________________. Effectiveness Efficiency Productivity Evaluation Application
. What do you understand by “line balancing”? What happens
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