Business Analysis Help for College and University Students

Operations research questions

Stelle Office Supplies Inc. (SOSI) must fill an order for 2000 modular office dividers. Each divider consists of a frame, a set of legs, and a panel. SOSI has limited production and finishing time available and is considering the purchase of some of the components. Let x1, x2, and x3 be the number of frames, leg sets, and panel ...continues

Operations research questions, optimal solution, revised costs

To provide additional practice in formulating and interpreting the computer solution for linear programs involving more than two decision variables, we consider a minimization problem involving three decision variables. Bluegrass Farms, located in Lexington, Kentucky, has been experimenting with a special diet for its racehorses ...continues

Operations research questions, dual price, maximize the total profit contribution

Supersport Footballs, Inc., has to determine the best number of All-Pro (A), College (C), and High School (H) models of footballs to produce in order to maximize profits. Constraints include production capacity limitations (time available in minutes) in each of three departments (cutting and dyeing, sewing, and inspection and pa ...continues

activity-on-arrow diagram, forward and the backward pass calculations, project completion

Consider the project described: See attached file for the project data a) Draw an activity-on-arrow diagram for the project. b) Using the normal activity times (in weeks), carry out the forward and the backward pass calculations. Identify the critical path (A-B-D-F-H), the total project time and total normal project cost. ...continues

Operations research questions, ctivity-on-arrow diagram, means and standard deviations and range

Consider the project described: See attached file for the project a) Find the means and standard deviations of the activity times, assuming Beta distribution.. b) Draw an activity-on-arrow diagram for the project. c) Using the mean activity times (in weeks) from part (a), carry out the forward and the backward pass calculat ...continues

Operations research questions - critical path, probability, crash the project, simultaneous occurrence

The network representation for a given project is shown below: See attached sheet Estimated activity durations in days (te) , standard deviation for each activity (), the number of days each activity can be crashed by and crash cost per day are as follows: See attached document for data. a) Find out and explici ...continues

Operations research questions

A bicycle parts supplier utilizes a press to produce a number of parts to a major bicycle manufacturer. One of the parts manufactured on the press has an annual demand of 50,000 units. The part is produced at a rate of 600 units per day. There are 250 working days throughout a year. The annual inventory carrying cost is estimate ...continues

Determine the optimal reorder level, expected safety stock

The probability distribution of demand during lead time of a certain product is given below. Demand Probability During Lead Time 240 0.05 260 0.10 280 0.20 300 ...continues

What is the service level for the current situation, reorder point

A depanneur stocks supplies of mineral water. Demand during lead time for cases of mineral water follows a normal distribution with a mean of 23 cases. Lead time is known to be 5 days. The standard deviation of daily demand is 2 cases. If the store manager has a policy of keeping a safety stock of 5 cases. a) What is the ser ...continues

Operations research questions - which alternative to chose

a) A large Midwestern railroad finds that it must steam clean its cars once a year. It is considering two alternatives for its steam-cleaning operation. Under alternative 1, the railroad would operate two steam-cleaning booths, operating in parallel at a total annual cost of $50,000. The service time distribution under this alt ...continues