4A manager is simulating the number of times a machine operator stops a machine to make adjustments. After careful study themanager found that the number of stops ranged from one to five per cycle and that each number of stops was equally likely. Using therandom numbers 0.11 and 0.50 (in that order), determine how many stops for adjustments each of the next two cycles will have.The first cycle will havestops and the second cycle will havestops.McGrawHill< Prev4 of 5ASUS

Answered: À manager is simulating the number of…

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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69 Output from a process contains 0.02 defective unit. Defective units that go undetected into final assemblies cost $25 each to replac An inspection process, which would detect and remove all defectives, can be established to test these units. However, the inspector, who can test 22 units per hour, is paid $10 per hour, including fringe benefits. Should an inspection station be established to test all units? ume that the line will operate at the same rate (i.e., the current production rate) regardless of whether or not the inspection ration is added. a-1. Without the inspector, what is the current hourly cost of defects? Note: Round your answer to 2 decimal places. a-2. Should an inspection station be established to test all units based on costs alone? a-3. If the inspection operation is added, what would be the cost to inspect each unit? Note: Round your answer to 2 decimal places.
Output from a process contains 0.01 proportion of defective units. Defective units that go undetected into final assemblies cost $26 each to replace. An inspection process, which would detect and remove all defectives, can be established to test these units. The inspector, who can test 21 units per hour (which matches the current production rate), would be paid $9 per hour, including fringe benefits. Assume that the line will operate at the same rate (i.e., the current production rate) regardless of whether or not the inspection operation is added. A. Without the inspector, what is the current hourly cost of defects? (Round your answer to 2 decimal places.) B. If the inspection operation is added, what would be the cost to inspect each unit? (Round your answer to 2 decimal places.) C. What would be the benefit (or loss) from establishing the inspection process per unit? (Input the amount as a positive value. Round your answer to 2 decimal places.)
8. The Timken Company applied Six Sigma tools to minimize process variation to address the ______________ principle of lean operating systems. elimination of waste increased speed and response improved quality reduced cost 9. Southwest Airlines' customers wait on a first-come, first-served basis and board in zones to address the ____________principle of lean operating systems. elimination of waste increased speed and response improved quality reduced cost 10. Traditional factories use a push system, which ___________________________ eliminates waste by reducing the number of parts per workstation produces finished-goods inventory in advance of customer demand using a forecast of sales relies on employees to monitor, encourage, and train one another to create a system of trust uses conveyor belt technologies to move parts, inventory, and partially processed goods to the next workstation 11.The concept of _________________ characterizes a pull system. assigning…
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DIMU 2105 assignmen QUESTION 2 One of the stages in the process of making denim cloth at the Southern Mills Company is to spin cotton yarn onto spindles for subsequent use in the weaving process. Occasionally the yarn breaks during the spinning process, and an operator ties it back together. Some number of breaks is considered normal; however, too many breaks may mean that the yarn is of poor quality. In order to monitor this process, the quality-control manager randomly selects a spinning machine each hour and checks the number of breaks during a 15-minute period. Following is a summary of the observations for the past 20 hours: Sample 1 2 3 4 5 6 7 8 9 10 Number of Breaks 3 2 4 1 5 3 2 4 0 2 Sample 11 12 13 14 15 16 17 18 19 20 Number of Breaks 3 4 6 7 8 6 5 7 8 6 Answer these questions: a. Construct a c-chart to monitor this process. b. Plot the c-chart graph. c. indicate if the process was out of control at any time
Output from a process contains 0.02 defective unit. Defective units that go undetected into final assemblies cost $25 each to replace. An inspection process, which would detect and remove all defectives, can be established to test these units. However, the inspector, who can test 20 units per hour, is paid $8 per hour, including fringe benefits. Should an inspection station be established to test all units? Assume that the line will operate at the same rate (i.e., the current production rate) regardless of whether or not the inspection operation is added. a-1. Without the inspector, what is the current hourly cost of defects? a-2. Should an inspection station be established to test all units based on costs alone? multiple choice Yes No a-3. If the inspection operation is added, what would be the cost to inspect each unit? Note: Round your answer to 2 decimal places. b. What would be the benefit (or loss) from establishing the inspection process? Note: Round your answer…
Kathleen McFadden's restaurant in Boston has recorded the following data for eight recent customers: a) McFadden wants you to graph the eight points (x;, y1), i = I, J 2, ... 8. She has been concerned because customers have been waiting too long for their food, and this graph is intended to help her find possible causes of the problem.b) This is an example of what type of graph?
57 There is a 1 percent error rate at a specific point in a production process. If an inspector is placed at this point, all the errors can be detected and eliminated. However, the inspector is paid $10 per hour and can inspect units in the process at the rate of 49 per hour. If no inspector is used and defects are allowed to pass this point, there is a cost of $11 per unit to correct the defect later on. Assume that the line will operate at the same rate (i.e., the current production rate) regardless of whether the inspector is hired or not. a. If an inspector is hired, what will be the inspection cost per unit? Note: Round your answer to 3 decimal places. b. If an inspector is not hired, what will be the defective cost per unit? Note: Round your answer to 3 decimal places.
day, a FedEx competitor processes approximately 70,000 shipments. Suppose that they use the same Service Quality Index as FedEx and identified the following numbers of errors during a five-day week (see the “FedEx: Measuring Service Performance” box): These values are hypothetical and do not reflect any real company’s actual performance. Complaints reopened: 125 Damaged packages: 18 International: 102 Invoice adjustments: 282 Late pickup stops: 209 Lost packages: 2 Missed proof of delivery: 26 Right date late: 751 Traces: 115 Wrong day late: 15 Compute the Service Quality Indicator by finding the weighted sum of errors as a percentage of total shipments.

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