Use the following scenario and data for all the questions A community neighborho

Question

Use the following scenario and data for all the questions A community neighborhood association decided to add a swimming pool to the community activity center. The project is divided into the activities listed in the following table. The activity times and costs, both normal and crashed, are given To finish the project before the summer season starts, the neighborhood has to make time and cost trade offs. If the project needs to be finished in 20 weeks, you are required to formulate a linear programm ing model to decide about how much to crash for each activity Activity s) Norm B. C 8200 To answer the following questions, you may want to use the last column of the following table to compute the cost of crashing an activity by one week Cost/Week Activity 1400 800 3000 4200 B. 2200 2100 1600 1200 1300 8200 A, C B.C

Explanation / Answer

Question 9:

Maximum available time to crash G is 2 weeks.

So yG <= 2 means G can be crashed maximum 2 weeks.

Option C is correct

Question 10:

Option C is correct

Option A: Constraint Xg <= 20 is missing, which means project has to comlplete within 20 weeks

Option B: Constraints for crashing are missing i.e. Ya,Yb,Yc.....

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