Discuss how duality principles are applied in operations research, particularly in scheduling problems.
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A: For the given data, determine the total inventory-related costs for a year,
Discuss how duality principles are applied in operations research, particularly in
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- What types of scheduling decisions are management likely to encounter in the following operations? Describe the scheduling decisions in terms of the types of resources to be scheduled and the associated customers or jobs scheduled. Further specify the kinds of objectives that might be appropriate for the situation(s) you chose. a. Hospital b. University c. Moviemaking d. Make-to-order factory Note: you do not have to cover all situations. Please feel free to choose one which you are familiar with.INTRODUCTION TO OPERATIONS RESEARCH QUESTION PLEASE ANSWER THE ASSIGNMENT PROBLEM USING THE COST MATRIXThe input /output report for Work Center 6 is as follows.Complete the report and comment on the results.
- Jack has gathered the following information for Work Center 2, the work center that directly feeds Work Center 3. Complete the input/output analysis of Work Center 2. Input Information(in hours) 4 5 6 7 8 Planned input 60 70 70 80 80 Actual input 15 25 25 30 30 Output Information(in hours) 4 5 6 7 8 Planned output 40 70 70 80 80 Actual output 45 45 45 55 80 Backlog165 hours Jack has asked you to calculate the following for Work Center 2. Calculate the percentage of available output that was actually accomplished (actual output/planned output) at Work Center 2.(Round your answers to 1 decimal place, e.g. 17.5.) 4 5 6 7 8 Actual outputPlanned output · 100% enter percentages % enter percentages % enter percentages % enter percentages % enter percentages %The Prime Manufacturing Company is a garment factory that employs about 1250 employees of varied skills. About 75 percent are women who are mostly in the production department. Men employees are assigned in the maintenance department and as operators of machines used in garment production. Women are mostly in the sewing department, packaging, and quality control. Mr. Duztin Fernando was hired to head the HR department. Prior to his assignment at Prime Manufacturing Company, Rod was in a construction firm, a medium-sized organization. His main concern was preparing the payroll and handling employees’ records. The Human Resource Department is composed of 5 employees, a payroll clerk, a personnel assistant, two supervisors, and Mr. Duztin Fernando as Manager. The record of Duztin Fernando in his academic achievements is quite satisfactory. His Bachelor’s degree is in the field of Engineering. Performance in the previous employment is quite satisfactory. The…Give a brief explanation of five major process scheduling policy factors.
- The XYZ company produces all type of office furniture. The “Executive Secretary” is a chair that has been designed using ergonomics to provide comfort during long office hours. The chair sells for $130. There are 480 minutes available during the day, and the average daily demand has been 50 chairs. There are eight tasks; Task Time (min) Immediate predecessor A 4 - B 7 - C 6 A, B D 5 C E 6 D F 7 E G 8 E I 6 F, G a) Draw a precedence diagram of this operation b) What is the cycle time for this operation? c) What is the theoretical minimum number of workstations? d) Assign tasks to the workstations e) What is the idle time per cycle? f) What is the efficiency of the assembly line?For tis week I will request from you to solve this mini case. The CEO of the Baker Inc, wants to implement a new accounting system, to improve work flow through the company’s sales, cash receipts, accounts payable, and cash disbursement procedures. The CEO is, however, concerned about the potential disruption that the implementation will have on operations. In an announcement letter to Baker’s employees, the CEO stated that: “I have contracted Flybynight Consulting Group to do the needs analysis, system selection, and design work. The programming and implementation will be performed in-house using existing IT department staff. The development process will be unobtrusive to user departments because Flybynight knows what needs to be done. They will work independently, in the background, and will not disrupt departmental and internal audit work flow with time consuming interviews, surveys, and questionnaires. This promises to be an efficient process that will produce a system that will…local market research fim has just won a contract for several thousand small projects involving data gathering and statistical analysis. In the past, the firm has assigned each project to a single member of its highly trained professional staff. This person would both gather and analyze the data Using this approach, an experienced person can complete an average of 10 such projects in an eight-hour day. The firm's management is thinking of assigning two people to each project in order to allow them to specialize and become more efficient The process would require the data gatherer to fill out a matrix on the computer, check it and transmit it to the statistical analysis program for the analyst to complete. Data can be gathered on one project while the analysis is being completed on another, but the analysis must be complete before the statistical analysis program can accept the new data. After some practice, the new process can be completed with a standard time of 20 minutes…
- An electricity power plant was redesigned so that the old system consisting of a single large display screen which could be seen by all of a team of three operators was replaced by individual workstation screens for operators. This worked well until there was a problem which resulted in dangerous gases being released. The team of operators had great difficulty in finding the source of the problem and deciding what to do. Because they no longer have access to all the information, they have to spend time explicitly co-ordinating their understanding of the situation by talking to each other. Under the old system, the knowledge would be shared – one operator would know what was happening with another’s area of the plant without explicit communication. Although the team’s individual responsibilities would still have been clearly divided, the knowledge of the system would be shared. How could the new system of individual workstations be modified to make better use of distributed cognition?George has recently joined XYZ Corporation as its vice-president of operations. Within a month of his joining, he started making operational changes in the production process of the department. The lower level workers find it extremely difficult to deal with George’s new ideas and way of thinking. Identify the problem in this case and suggest certain measures to overcome this problem.In addition to the written materials discussed in the previous question, what else should the supervisor do to orient new letter carriers? Carol Burgess is a letter carrier and a part-time trainer of letter carriers for the U.S. Postal Service in a major city on the west coast. She trains all new letter carriers in her service area, which encompasses the northern half of her state. Over the past five years she has trained 318 new letter carriers. Typically, the training is offered prior to the new letter carrier’s entry onto the job, although sometimes it occurs shortly thereafter. The training program typically encompasses both the orientation of new employees to the U.S. Postal Service and the development of specific skills needed by the new letter carrier. The latter involves practice in casing mail (i.e., sorting) to appropriate locations of a case in preparation for delivery, reading maps, determining appropriate sequencing of delivery, and customer relations. The total training…