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# Operations Research

### Solving a linear programming model

Marie McCoy has committed to the local PTA to make some items for a bake sale on Saturday. She has decided to make some combination of chocolate cakes, loaves of white bread, custard pies, and sugar cookies. Thursday evening she went to the store and purchased 20 pounds of flour, 10 pounds of sugar, and 3 dozen eggs, which are t

### Burger Doodle restaurant - using excel solver

Solve the linear programming model developed in Problem 22 for the Burger Doodle restaurant by using the computer. a. Identify and explain the shadow prices for each of the resource constraints. b. Which of the resources constraints profit the most? c. Identify the sensitivity ranges for the profit of a sausage biscuit and the a

### Research Concepts and Principles for a Proposal of a Project

Now that you have submitted and received approval for your research proposal, you must go before the IRB (institutional review board) at the site where you plan to select subjects and conduct your research. In this final project, describe the role of an IRB in a research process. What types of concerns might they have about your

### Media-selection problem as a linear-programming problem

See attached file for full problem details. PART A: The first step in media selection is to formulate the media-selection problem as a linear-programming problem. The decision variables are the number of inserts in each of the media outlets, and the objective function is to maximize the number of customers reached. The c

### A pharmaceutical manufacturer used observations to improvement training of new reps. What category of research is this?

A pharmaceutical manufacturer followed sales representatives in the field to observe some 150 interactions between sales reps and physicians and support staff. They watched sales reps approach the doctors, how they got around their gatekeepers, how they delivered their brands' messages, and so forth. These observations led to im

### Research an ethical issue: Impact does it have on business

Identify and research an ethical issue. Why did you select the issue? What is the research background on the issue? What impact does it have on the business environment and stakeholders? How are businesses successfully resolving the issue? Provide examples.

### Formulate the goal programming model.

Durham Designs manufactures home furnishings for department stores. Planning is underway for the production of items in the "Wildflower" fabric pattern during the next production period. Bedspread Curtains Dust Ruffle Fabric required (yds) 7 4 9 Time re

### Which of the following best describes experimental research? -survey of the current state of events -describes a groups characterisitcs -high level of control over variable -provides a broad picture of a concept Research questions can be as _____ as inquiring about the effects of television on language development, or as ________ as content of commercials and teen buying habits. -broad, specific -good, bad -general, broad -specific, general

Which of the following best describes experimental research? -survey of the current state of events -describes a groups characterisitcs -high level of control over variable -provides a broad picture of a concept Research questions can be as _____ as inquiring about the effects of television on language development, or a

### What advantages do computer applications that solve LP problems have?

What advantages do computer applications that solve LP problems have? Find at least one computer application, other than Excel's Solver of course, that solves LP problems. Present it's web address, and then discuss whether it is free or purchased and then discuss the purpose of that computer application.

### Research Methods / Critiquing an Article

The object of your critique is to describe how the study followed or failed to follow the criteria for good research. Speculate on which of the writer's conclusions were warranted and which were not. Please include the following topics in your critique of the selected research article: -Study design -Problem or objective

### Linear Goal Programming for Santa Ana Parks and Recreation

The Santa Ana, California, City Parks and Recreation Department has received a federal grant of \$6,000,000 to expand its public recreation facilities. City Council representatives have demanded that four types of facilities be considered for inclusion in the expenditures from the grant: gymnasiums, athletic fields, tennis courts

### Linear Programming Model for Optimal Production Schedule

Problem: Richland Manufacturing Company manufactures solid oak computer desks on two separate production lines at its plant in Richland, Vermont. Production line 1 is continuously operated and is staffed with workers experienced in the construction of quality oak furnishings. Production line 2 is activated only when demand is

### How Many DVD player, HD TV, Game Consoles Should Be Stocked?

See attached file for proper format. The linear programming problem formulation shown below determines how many DVD players, HD TVs, game consoles, and entertainment consoles that an electronics store should stock. The objective function measures profit; it is assumed that every piece stocked will be sold. Constraint 1 measur

### Linear programming in Excel - Staffing a call center

Case 2-3: Staffing a call center I am having trouble setting up the problem; i.e. identifying the changing and output cells, the constraints, and the target cell. With all the info/data listed in the attached problem/case I have gotten lost. I am looking for a demonstration of how to set up the info in Excel so that the cas

### Description of Linear Programming

The dean of the Western College of Business must plan the school's course offerings for the fall semester. Student demands make it necessary to offer at least 30 undergraduate and 20 graduate courses in the term. Faculty contracts also dictate that at least 60 courses be offered in total. Each undergraduate course taught costs t

### Identify databases of public records to investigate

Research and locate the business information of an energy company. The investigation team has assigned to you the task of identifying databases that are repository of public records, and that may be used for investigating the following: Comparing employee earnings with national averages Comparing company revenues and expendi

### Linear and Integer Programming

attached Buff Systems is a small company that produces three products daily: (1) CD players, (2) cell phone, and (3) camcorders. The company has a limited amount of resources used in the production of these products. The limited resources are labor, machine hours, and inventory space allocated to all products. Buff has

### Linear Programming Manufacturing Plans

Davis instruments has two manufacturing plants located in Atlanta, Georgia. Since product demand varies considerably from month to month, Davis is interested in developing an optimal workforce schedule. Recently Davis started hiring temporary workers supplied by Workforce Unlimited, a company that specializes in providing temp

### Difference in direct and indirect transaction

What is the difference between a direct intercompany transactrion and an indirect intercompany transaction? How does the difference effect reporting them on a consolidasted statement?

### Social Needs: Issue, source, affect to operations, legislation

Research Project on Social Needs 1. What is the Issue? What is the source of your information? 2. How does it affect the operation of your business? of a product or service? 3. How does the economy of the U. S. affect the issue? 4. How does legislation affect the issue? 5. What is your personal opinion of th

### Situation in which business research IS needed

Describe a situation in which business research is NOT needed and one in which business research IS needed. Discuss the factors which differentiate the two situations. For the situation in which business research IS needed, will the research be basic/pure research or applied research, explain why? In your own words describe

### Discussing Research Process

A company is considering creating and selling a new soda. Create a report explaining the research process that should be used by the company to make this decision. Your report should answer the following questions: What is the research question? What is the proposed research? How would you design the research project? W

### Linear Programing Models

Serendipity The three princes of Serendip wend on a little trip. They could not carry too much weight; more than 300 pounds made them hesitate. 15 cubic feet baggage capacity - that was all. Each lion skin took up one cubic foot. While eight coconuts the same space too. Formulate and solve Serendipity by graphical LP in o

### The Differences between Primary and Secondary Research

Please explain the difference between primary research and secondary research. Explain how your proposal on The Sarbanes-Oxley Act 2002 might be different if you are doing a primary research as opposed to secondary research.

### Linear programming

What is the relationship between decision variables and the objective function? What is the difference between an objective function and a constraint? Does the linear programming approach apply the same way in different applications? Explain why or why not using examples.

### Linear Programming and Network Modeling: 25 multiple choice questions

See the attached file for tables and formatting. Quiz Business Modeling 1. Consider the constraint X3 + X4 + X5 + X6 + X7 > 27 representing Air Express' Monday worker requirement. Why was a ">" used versus an "="? a. The ">" is needed to accommodate workers held over from Sunday. b. Solver only accepts ">" constraints.

### Linear Programming

What does the shadow price reflect in a maximization problem? explain. How do the graphical and computer-based methods of solving LP problems differ? In what ways are they the same? Under what circumstances would you prefer to use the graphical approach? How does sensitivity analysis affect the decision making process? How coul

### Objective Function vs. Constraints in a Linear Programming Model

Under what circumstances is the objective function more important than the constraints in a linear programming model? Under what circumstances are the constraints more important than the objective function in a linear programming model?

### Must linear programming be used under conditions of certainty?

The production manager of a large Cincinnati manufacturing firm once made the statement, "I would like to use LP, but it's a technique that operates under conditions of certainty. My plant doesn't have that certainty; it's a world of uncertainty. So LP can't be used here." Do you think this statement has any merit? Why or why no

### Linear Programming for Manufacturing Tractors

The Jane Deere Company manufactures tractors in Provo, Utah. Jeremiah Goldstein, the production planner, is scheduling tractor production for the next three months. Factors that Mr. Goldstein must consider include sales forecasts, straight-time and overtime labor hours available, labor cost, storage capacity, and carrying cost