no precedence in the problem

4 8 4 3 Activity times and activity costs of a project are given below. The network diagram is indicated on the right. 4 5 Activity Normal Time Crash Time Normal Cost Crash Cost Variance 6 1 8 5 100 400 7 2 10 7 250 400 1 3 5 3 400 800 4/9 9 3 1 200 400 4/9 5 4 150 300 4/9 11 6 3 3 100 100 0 12 300 500 1/9) 13 14 a. Identify the different paths. Which is the critical path? How much time will the project take? 15 b. What is the probability of finishing the project in 28 days or less? 16 c. Crash the project by 5 days. Indicate the total crash cost. 17 d. Crash the activity to the maximum extent possible and indicate the total crash cost. 10 6 4 8 4 3 Activity times and activity costs of a project are given below. The network diagram is indicated on the right. 4 5 Activity Normal Time Crash Time Normal Cost Crash Cost Variance 6 1 8 5 100 400 7 2 10 7 250 400 1 3 5 3 400 800 4/9 9 3 1 200 400 4/9 5 4 150 300 4/9 11 6 3 3 100 100 0 12 300 500 1/9) 13 14 a. Identify the different paths. Which is the critical path? How much time will the project take? 15 b. What is the probability of finishing the project in 28 days or less? 16 c. Crash the project by 5 days. Indicate the total crash cost. 17 d. Crash the activity to the maximum extent possible and indicate the total crash cost. 10 6