Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
After looking into the problem, you find it follows the six conditions for a single-server waiting line (as seen in Model A). What are your findings?
Customers arrive at Rich Dunn’s Styling Shop at a rate of 3 per hour, distributed in a Poisson fashion.
Do doctors’ offices generally have random arrival rates for patients? Are service times random? Under what circumstances might service times be constant?
The money can be placed in Brazilian treasury notes yielding an 8% return or in riskier high-yield bonds at an average rate of return of 9%.
Wichita’s famous Sethi Restaurant is open 24 hours a day. Servers report for duty at 3 a.m., 7 a.m., 11 a.m., 3 p.m., 7 p.m., or 11 p.m
Hugh Leach, head of the firm, must decide the optimal number of each class of container to pack each week.
Write the objective function and the constraint equations. Let X1A = 1,000s of units shipped from factory 1 to warehouse A, and so on.
Formulate this problem to determine which books should be selected and how many of each should be published to maximize profit.
What operational considerations may prohibit Alaska from adding flights and more cities to its network?
Which starting technique generally gives a better initial solution, and why?
The more sources and destinations there are for a transportation problem, the smaller the percentage of all cells that will be used in the optimal solution.
Explain what is meant by the term degeneracy within the context of transportation modeling.
What is the total cost of the basic feasible solution that the intuitive lowest-cost method would find for this problem?
What is the total cost of the shipping plan that would be obtained by performing one more iteration of the stepping-stone method on this problem?
Calculate the “total cost” incurred if your results were to be accepted as the final solution.
The LP relationships that follow were formulated by Richard Martin at the Long Beach Chemical Company.
Suppose a linear programming (maximation) problem has been solved and that the optimal value of the objective function is $300.
Graphically illustrate the feasible region to indicate to Jordan which corner point produces the optimal solution.
Use a graphical LP method to determine the least-cost blend of compost and sewage in each bag.
What is the total cost of a package of dog biscuits using the optimal mix? Formulate this as a linear programming problem.
How much would the firm’s profit increase if an extra 10 hours of time were made available on the second machine at no extra cost?
Baton Rouge’s Mt. Cedar Hospital is a large, private, 600-bed facility complete with laboratories, operating rooms, and X-ray equipment.
How many times should each of the two media be used to obtain maximum exposure while staying within the budget?
Each coffee table produced by Kevin Watson Designers nets the firm a profit of $9. Each bookcase yields a $12 profit.
MA craftsman named William Barnes builds two kinds of birdhouses, one for wrens and a second for bluebirds.