Concept explainers
A
Interpretation: Value of average utilization of the maintenance person should be calculated.
Concept Introduction: Queuing method is the best practice for enhance the service provided within an organization by utilizing their resources.
B
Interpretation: The number of copy machines is being repaired
Concept Introduction: Utilization rate is average the time spend by a person in productivity activity. It is calculated as percentage
C
Interpretation: The average time spent by a copy machine in the repair
Concept Introduction: Waiting line model is used to calculate the performance. The probability in a waiting line requires waiting for service.
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- At the beginning of each week, a machine is in one of four conditions: 1 = excellent; 2 = good; 3 = average; 4 = bad. The weekly revenue earned by a machine in state 1, 2, 3, or 4 is 100, 90, 50, or 10, respectively. After observing the condition of the machine at the beginning of the week, the company has the option, for a cost of 200, of instantaneously replacing the machine with an excellent machine. The quality of the machine deteriorates over time, as shown in the file P10 41.xlsx. Four maintenance policies are under consideration: Policy 1: Never replace a machine. Policy 2: Immediately replace a bad machine. Policy 3: Immediately replace a bad or average machine. Policy 4: Immediately replace a bad, average, or good machine. Simulate each of these policies for 50 weeks (using at least 250 iterations each) to determine the policy that maximizes expected weekly profit. Assume that the machine at the beginning of week 1 is excellent.arrow_forwardFor an additional fee, a customer purchasing a Whirlpool appliance, such as washing machine, can purchase a three year service contract. The contract provides free repair service and parts for the specified appliance using an authorized Whirlpool service provider. When a person with Whirlpool service contract needs to repair an appliance such as washing machine, he or she calls the whirlpool repairs and parts department to schedule an appointment. The department makes the appointment and gives the caller the date and approximate time of the appointment. This process is very lengthy. It may take two weeks to schedule a repair visit.In above case what changes could be made to make this process more efficient with the development of Information system. Discuss in detail various phases of System Development life cycle that are involved in this case.arrow_forwardIf a fluid system is compared to an electrical system, the fluid pump will correspond to a: generator conductor battery both A and C.arrow_forward
- Failsafe Textiles employs three highly skilled maintenanceworkers who are responsible for repairing the numerous in-dustrial robots used in its manufacturing process. A workercan fix one robot every 8 hours on average, with an exponen-tial distribution. An average of one robot fails every 3 hours,according to a Poisson distribution. Each down robot coststhe company $100.00 per hour in lost production. A newmaintenance worker costs the company $80.00 per hour insalary, benefits, and equipment. Should the manager hireany new personnel? If so, how many people? What would yourecommend to the manager, based on your analysis?arrow_forwardCan you answer this question?arrow_forwardThe College of Business and Public Administration at Benton University has a copy machine on each floor for faculty use. Heavy use of the five copy machines causes frequent failures. Maintenance records show that a machine fails every 2.5 days (or π = 0.40 failure/day). The college has a maintenance contract with the authorized dealer of the copy machines. Because the copy machines fail so frequently, the dealer has assigned one person to the college to repair them. The person can repair an average of 2.5 machines per day. Using the finite-source model, answer the following questions:a. What is the average utilization of the maintenance person?b. On average, how many copy machines are being repaired or waiting to be repaired?c. What is the average time spent by a copy machine in the repair system (waiting and being repaired)?arrow_forward
- The University of Central Lancashire has decided to adopt a new human access control system for both employees and students using biometricfingerprint recognition. For students, the system automatically links to the central attendance management system and logs a student’s attendance,and lateness based on when they scan their fingerprint before entering the classroom. For faculty, it automatically records a staff member’s workstatus and commitment, including work status, overtime hours and holiday record. The system should interact with other local and enterprise levelapplications including scheduling and facilities management to develop the staff and student weekly schedule and also grant both faculty and studentsaccess to the specific rooms and facilities based on their schedule through fingerprint recognition software. Analysis using business support matrix. (create the table please)arrow_forwardDuring a plant start-up, the operators should go through the start up sequence quickly to reduce the downtime and increase the profitability of the plant. there should be as few operators as possible near the column to ensure that any major accidents will result in lower injuries and fatalities. the operators should fully depend on the automated start up sequence without any intervention to increase the smoothness of the start up. Othere should be as many operators as possible near the column to ensure that any operational emergencies can be safely and quickly managed.arrow_forwardPath Dependence is created as part of the Value principle within the VRIO Model. True Falsearrow_forward
- erex Corporation is a global manufacturer of aerial work platforms and materials processing machinery. They design, build and support products such as large lifting equipment used in construction. The company makes most pieces to order and customizes them to meet customers’ unique preferences.Terex maintained a manual system for yard management at their transfer centre in Washington that is always full of lifting equipment, which generated excessive costs for what should have been a relatively simple process of locating customers’ units to prepare them for delivery. A wallboard and sticker system was a low-tech solution for identifying equipment items in the yard at Terex. While inexpensive in itself, the solution cost around six minutes every time an employee had to locate a unit in the yard. It also required a considerable number of hours to be spent each month taking physical inventories. After a successful pilot, the company approved a new solution, replacing stickers, yard maps,…arrow_forwardA crew of mechanics at the Department of Transportation garage make minor repairs to snowplows during the winter. The snowplows break down at an average rate of 5 vehicles per day and breakdowns are distributed according to the Poisson distribution. The mechanic can service an average of 8 vehicles per day with a repair time distribution that approximates a negative exponential distribution. Assume an 8 hour day. What are the chances that 3 vehicles are in the service system? Group of answer choices 9% 38% 63% 19%arrow_forwardEastern Motors Auto Dealership wanted to estimate the average CLV over a 5 year time horizon of a customer who purchases a new vehicle. The average vehicle sells for $28,350 and has a margin of 5%. Based on historical averages, 84 of people buying a new vehicle at Eastern will return for service 9 times over the next 5 years. Though it varies considerably, Eastern generates approximately $89 in margin on each service visit after accounting for parts and direct labor costs. Assume the 5 year value of the service component is $475. What would be the value of a service loyalty program that increased the average number of visits by 2 (over 5 years) and increased the probability that a new vehicle purchaser would return for service by 5 percentage points on a per customer basis?arrow_forward
- Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,