Susan Cottenden clocked the observed time for welding a part onto truck doors at 5.5 minutos. The performance rating of the worker imed was estimated at 115%The nomal time for this process -Ominutes (round your response to two decimal places).According to the local union contract, each welder is allowed 4 minutes of personal time per hour and 1 minute of fatigue time per hour. Further, there should be anaverage delay allowance of 2 minutes per hour.The allowance factor for the welding operation = (enter your response as a percentage rounded to twa decimal places).The standard time for this process minutes (round your response to two decimal places).

There are a lot of targets in the corporate sector. It must also keep a close eye on the deadlines.…

Answered: The nomal time for this process minutes…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Susan Cottenden clocked the observed time for weld-ing a part onto truck doors at 5.3 minutes. The performance rat-ing of the worker timed was estimated at 105%. Find the normal time for this operation.Note: According to the local union contract, each welder isallowed 3 minutes of personal time per hour and 2 minutes offatigue time per hour. Further, there should be an average delayallowance of 1 minute per hour. Compute the allowance factorand then find the standard time for the welding activity.
From a time study, the worker’s average observed time for a particular task is shown to be 5.6 minutes. The analyst feels the worker was performing their task, on average, about 25% faster than normal. What would be the resulting standard time assuming a 20% allowance for fatigue and personal needs?
An analyst has timed a metal cutting operation for 60 bikes. The average time per cycle was 10.30 minutes, and the standard deviation was 1:20 minutes for a worker with a performance rating of 120 percent. Assume an allowance of 16 percent of job time. Find the standard time for this operation.
An analyst has timed a metal-cutting operation for 50 cycles. The average time per cycle was10.40 minutes, and the standard deviation was 1.20 minutes for a worker with a performance ratingof 125 percent. Assume an allowance of 16 percent of job time. Find the standard time for thisoperation
You recorded an observed time of 1 minute per unit of production. If the performance rating of the observed worker was 120 and 5% PNA was provided, what is the standard time per unit?
10. The preliminary work sample of an operation indicates the following; what is the required samplesize for a three (3) sigma with 4% accuracy. No. of times operator working-60No. of times operator idle-40 11. PJ Sumeguin, Inc. produces telephone system with built in TV screens. Its learning rate is 80%.a. If the first one took 56hrs, how long will it take the company to complete the 11th unit?b. How long will the 1st 11 systems take in total?c. If you are the purchasing agent, you are expected to buy units 12 through 15 of the newphone systems. What would be your expected cost for the units if company charges $30for each labor hour?
After training, Mary Fernandez, a computer technician, had an average observed time for memory-chip tests of 15 seconds. Mary's performance rating is 105%. The firm has a personal fatigue and delay allowance of 12%. a) The normal time for this process = seconds (round your response to two decimal places). b) The standard time for this process =seconds (round your response to two decimal places).
A Methods and Measurements Analyst needs to develop a time standard for a certain task. The task involves use of a ruler, square, and portable electric saw to mark and cut the "notch" in a rafter (a standard carpentry task of home construction). In a preliminary study, he observed one of his workers performing this task five times. The observations were made in an air-conditioned, well-lit training facility, at ground level, with all tools and equipment clean and readily available. Observation: 1 2 3 4 5 Task time (seconds): 82 74 80 88 76 (a) What is the actual average time for this task? (b) What is the normal time for this task if the employee worked at a 10% faster pace than is typical for adequately trained workers? (c) What is standard time for this task if allowances sum to 12%? (d) If the analyst then thought more carefully about his experiment and decided that the allowances needed to be increased to match the real (outside, not…
Providence Assessment Center screens and trains employees for a computer assembly firm in Boston. The progress of all trainees is tracked, and those not showing the proper progress are moved to less demanding programs. By the tenth repetition, trainees must be able to complete the assembly task in 1 hour or less. Susan has just spent 5 hours on the fourth unit and 4.5 hours completing her eighth unit, while another trainee, Julie took 4 hours on the third and 2.8 hours on the sixth unit. Should you encourage either or both of the trainees to continue? Why? Present calculation steps. [Hint: For each trainee, 1) Determine the learning rate (%) – use doubling concept. 2) Calculate time for the 1st unit (T1) – use table, 3) Calculate time for the 10th Unit (T10) –use table] Susan Julie Learning rate (%) – doubling concept Time for the 1st unit Time for the 10th unit
5. The manager of Asombrado Bounty Office, Charles Badillo, estimates his employees are idle 25%of the time. With that problem, how many work samples are needed to consider within 3%accuracy and have 95.45% confidence level. 6. At ASP Micro Manufacturing, Inc. workers press semiconductor into predrilled slots on printed-circuit boards. Determine the normal time of the operation in seconds. The elemental motions for normal time used by the company are as follows:• Reach 6 inches for semiconductors 10.5 TMU• Grasp the semiconductors 8.0 TMU• Move semiconductor to printed-circuit board 9.5 TMU• Position semiconductor 20.1 TMU• Press semiconductor into slots 20.3 TMU• Move board aside 15.8 TMU 7. The semiconductor used in Costin Calculator has 5 components with the consistency of 90%, 95%,98%, 90%, and 99%, respectively. How reliable is one product of calculator?
Supervisor Kenneth Peterson wants to determine the percent of time a machine in his area is idle. He decides to use work sampling, and his initial estimate is that the machine is idle 22% of the time. (Round all intermediate calculations to at least two decimal places before proceeding with further calculations.) Part 2 The number of observations that need to be taken by Peterson to be 99.00% confident that the results will be less than 5% from the true result = enter your response here (round your response to the immediate higher whole number).
What are the trade offs in choosing between time study and work sampling for work measurement.

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