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Operations Research

2010 Toyota & Mattle 2007 and 2010 Recalls

ONE-two paragraph for each. In 2010, Toyota recalled over five million vehicles worldwide. Discuss the impacts on the supply chain as a result of this recall. How does this recall tie to the overall strategy of the company? Also, examine the effects of the recall on the quality image of Toyota. In 2007, Mattel recalled m

Hot Dog Mix Planning - Linear Programming

A meatpacking house is creating a new variety of hot dog for the low-calorie, low-fat, low-cholesterol market. This new hot dog will be made of beef and pork, plus either chicken, turkey, or both. It will be marketed as a 2-ounce all-meat hot dog, with no fillers. Also, it will have no more than 6 grams of fat, no more than 27 g

The Use of Biblical Management Principles

Please help with ideas for writing a research paper on Biblical Management Principles. More specifically, getting a good background, thesis statement, problem statement and starting my literature review.

Excel Solver: Toy Manufacturing Company

A toy manufacturing company currently maintains plants in Atlanta and Tulsa that supply to retail centers in Los Angeles and New York. Because of expanding demand, the company has decided to build a third plant and has narrowed the choice to one of two cities, Seattle or Baltimore. The distribution costs, as well as plant capaci

Operations Research and Profit Maximization

In a particular engineering project team, four design jobs can be performed by any of the five resident experts. The profit generated by each individual resident expert for each design job is presented in the following table: Resident Experts Jobs Tom Robert John Albert Chris 1 $ 10,000.00 $ 12,000.00 $ 16,000.00

Calculations with Poisson and exponential distributions

Calls arrive at Lynn Ann fish's hotel switchboard at a rate of 2 per minute. The average time to handle each is 20 seconds. There is only one switchboard operator at the current time. The Poisson and exponential distributions appear to be relevant in this situation. a) What us the probability that the operator is busy? b) W

Performance Parameters of a Waiting Line Model

Paul Fenster own and manages a chili-dog and soft-drink stand near the Kean U. campus. While Paul can service 30 customers per hour on the average (µ), he gets only 20 customers per (λ). Because Paul could wait on 50% more customers than actually visit his stand, it doesn't make sense to him that he should have any waiting lin

Preparing BOM and Computing Gross and Net Requirements

14.8 As the production planner for Scott Sampson Products, Inc., you have been given a bill of material for a bracket that is made up of a base, two springs, and four clamps. The base is assembled from one clamp and two housings. Each clamp has one handle and one casting. Each housing has two bearings and one shaft. There is no

Choosing sample sizes for qualitative research

The impact of wage structure on employment productivity and efficiency in public sector in Nigeria Problem Statement The general problem of low wage structure in the public services in Nigeria makes the service unattractive to vibrant individuals who seek to pursue a career to take up employment in public services organisation

Maintenance and reliability

Provide a critical review of these two elements. Assess if maintenance has any impact on overall reliability. Study and analyze the relationships between reliability and scheduled maintenance. Discuss how equipment maintenance may influence the success or failure of a manufacturing operation.

Inventory Management in a Company

Lindsay Electronics, a small manufacturer of electronic research equipment, has approximately 7,000 items in its inventory and has hired Joan Blasco-Paul to manage its inventory. Joan has determined that 10% of the items in inventory are A items, 35% are B items, and 55% are C items. She would like to set up a system in which al

Analyzing the shipping alternatives

Monczka-Trent Shipping is the logistics vendor for Handfield Manufacturing Co. in Ohio. Handfield has daily shipments of a power-steering pump from its Ohio plant to an auto assembly line in Alabama. The value of the standard shipment is $250,000. Monczka-Trent has two options: (1) its standard 2-day shipment or (2) a subcontrac

Evaluating disaster risk

Johnson Chemicals is considering two options for its supplier portfolio. Option 1 uses two local suppliers. Each has a "unique-event" risk of 5%, and the probability of a "super-event" that would disable both at the same time is estimated to be 1.5%. Option 2 uses two suppliers located in different countries. Each has a "unique-

Inventory turnover and Total Sales

Baker Mfg. Inc. (see Table 11.9) wishes to compare its inventory turnover to those of industry leaders, who have turnover of about 13 times per year and 8% of their assets invested in inventory. a) What is Baker's inventory turnover? b) What is Baker's percent of assets committed to inventory? c) How does Baker's performanc

Determining the critical path

Dave Fletcher (see Problem 3.10) was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: ACTIVITY

Calculating the productivity ratio in the given case

Chuck Sox makes wooden boxes in which to ship motorcycles. Chuck and his three employees invest a total of 40 hours per day making the 120 boxes. a) What is their productivity? b) Chuck and his employees have discussed redesigning the process to improve efficiency. If they can increase the rate to 125 per day, what will be t

Expanding a Business to a Global Enterprise

Question (1) In The New Competition for Global Resources, a special report prepared by the Boston Consulting Group and Wharton, the Triple E threat driving new understandings about the global future, leadership, and competition was defined as "the need to compete with everyone, from everywhere, for everything". Answer the

Project management precedence diagrams

9.15 The following table details the tasks required for Indiana-based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of 10 minutes. CRIPTION IMMEDIATE ECESSORS TIME

Calculating Cycle Times and Theoretical Minimum

9.11 Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PDA). The tasks, task times, and immediate predecessors for the tasks are as follows: TASK TIME (sec) IMMEDIATE PREDECESSORS IMMEDIATE T

Calculating normal and standard time for a task

Peter Rourke, a loan processor at Wentworth Bank, has been timed performing four work elements, with the results shown in the following table. The allowances for tasks such as tis are personal. 7%; fatigue, 10%; and delay, 3% TASK PERFORMANCE OBSERVATIONS (MINU

Role of Theory: Qualitative Research

•Craft a 5- to 7-page paper in which you do the following: ◦Compare and contrast the role of theory in the five main qualitative approaches (Narrative, Phenomenology, Grounded theory, Ethnographic and Case study research). ◦State what you believe, at this time, will be the role of theory in your qualitative resear

Operational Efficiency and Utilization

Southeastern Oklahoma State University's business program has the facilities and faculty to handle an enrolment of 2,000 new students per semester. However, in an effort to limit class sizes to a "reasonable" level (under 200, generally), Southeaster's dean, Holly Lutze, placed a ceiling on enrolment of 1,500 new students. Altho

What is the effective capacity?

Material delays have routinely limited production of household sinks to 400 units per day. If the plant efficiency is 80%, what is the effective capacity?

Agents Hiring Problem - Optimal Hiring Plan

The TSA at a large airport has 175 agents hired and trained for the month of January. Agents earn an average of $3300 per month and work 160 hours per month. The projection is 26,400 agent hours will be required for February, 29,040 agent hours will be required in March and 31,994 will be required in the months of April and May.

DRAM Chips within Tolerance Limits

S6.27 Meena Charvan Corp's computer chip production process yields. DRAM chips with an average life of 1,800 hours and σ=100 hours. The tolerance upper and lower specification limits are 2,400 hours and 1,600 hours, respectively. Is this process capable of producing DRAM chips to specification?

Calculating the C-Chart Limits

The school board is trying to evaluate a new math program introduced to second-graders in five elementary schools across the county this year. A sample of the student scores on standardized math tests in each elementary school yielded the following data: SCHOOL NO. OF TEST ERRORS A 52 B