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2) The following represents a project that should be scheduled using CPM: TIMES (DAYS) ACTIVITY IMMEDIATE PREDECESSORS a m b A B 5 3 3 4 - I D E F G Ilcovou 1 1 1 2 3 3 1 2 3 2 2 3 4 4 4 4 unawwun CD DE F G 5 6 5 N- AA a. Draw the network. TIMES (DAYS) IMMEDIATE PREDECESSORS a m b ET ACTIVITY A 1 3 5 3 0.4444 B 1 2 3 N 0.1111 >> | 1 2 3 2 0.1111 0.1111 D A 2 3 4 3 E B 3 4 11 5 1.7778 F 3 3 5 4 0.1111 CD D, E G 1 4 6 3.833 u o 0.6944 0.2500 H F G 2 4 5 3.833 b. What is the critical path? C. What is the expected project completion time? d. What is the probability of completing this project within 16 days? 1 Variance of project completion time is found by adding the variances of activities on the critical path