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Chapter 1: Q4-10DQ (page 100)
What do you think might be some barriers to the successful, effective use of the project management software packages discussed in the chapter?
Systems used for the project planned, timing, allocation of resources, as well as transformational leadership is known as project management software.
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A builder has located a piece of property that she would like to buy and eventually build on. The land is currently zoned for four homes per acre, but she is planning to request new zoning. What she builds depends on the approval of zoning requests and your analysis of this problem to advise her. With her input and your help, the decision process has been reduced to the following costs, alternatives, and probabilities:
Cost of land: \(2 million.
Probability of rezoning: 60.
If the land is rezoned, there will be additional costs for new roads, lighting, and so on, of \)1 million. If the land is rezoned, the contractor must decide whether to build a shopping center or1, 500 apartments that the tentative plan shows would be possible. If she builds a shopping center, there is a 70 percent chance that she can sell the shopping center to a large department store chain for \(4 million over her construction cost, which excludes the land; and there is a 30 percent chance that she can sell it to an insurance company for \)5 million over her construction cost (also excluding the land). If instead of the shopping center, she decides to build the 1,500 apartments, she places probabilities on the profits as follows:
There is a 60 percent chance that she can sell the apartments to a real estate investment corporation for \(3,000 each over her construction cost; there is a 40 percent chance that she can get only \)2,000 each over her construction cost. (Both exclude the land cost.)
If the land is not rezoned, she will comply with the existing zoning restrictions and simply build 600 homes, on which she expects to make $4,000 over the construction cost on each one (excluding the cost of land).
Draw a decision tree of the problem and determine the best solution and the expected net profit.
Jack Simpson, contract negotiator for Nebula Airframe Company, is currently involved in bidding on a follow-up government contract. In gathering cost data from the first three units, Nebula produced under a research and development contract, he found that the first unit took 2,000 labor hours, the second took 1,800 labor hours, and the third took 1,692 hours.In a contract for three more units, how many labor hours should Simpson plan for?
Suppose that Always Rain Irrigation鈥檚 marketing department will undertake an intense ad campaign for the bronze sprinklers, which are more expensive but also more durable than the plastic ones. Forecast demand for the next four years is
Yearly Demand | ||||
1 (IN 000s) | 2 (IN 000s) | 3 (IN 000s) | 4 (IN 000s) | |
Plastic 90 | 32 | 44 | 55 | 56 |
Plastic 180 | 15 | 16 | 17 | 18 |
Plastic 360 | 50 | 55 | 64 | 67 |
Bronze 90 | 11 | 15 | 18 | 23 |
Bronze 180 | 6 | 5 | 6 | 9 |
Bronze 360 | 15 | 16 | 17 | 20 |
What are the capacity implications of the marketing campaign (assume no learning)?
What are some reasons for a plant to maintain a capacity cushion? How about a negative capacity cushion?
Question: Here is a network withthe activity times shown in days:
a. Find the critical path.
b. The following table shows the normal times and the crash times, along with the associated costs for each activity.
If the project is to be shortened by four days, show which activities, in order of reduction, would be shortened and the resulting cost.
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