Question: 7) Alvarez laid out the major steps and several activities in weeks. Immediate Predeces- Activity sors Expected time (t) Vari- ance a E b A

7) Alvarez laid out the major steps and several

7) Alvarez laid out the major steps and several activities in weeks. Immediate Predeces- Activity sors Expected time (t) Vari- ance a E b A 1 2 3 B N 3 4 C 4 5 6 D B 8 9 10 E C,D N 8 F B 4 5 6 G E 1 N 3 (a) Complete the table by determining the expected time and variance. (b) Draw and clearly label the network path for the project. (c) What is the expected completion time for the total project? (d) What is the critical path for the project? (e) What is the probability that the project will be completed in 21 weeks or less? (f) What is the probability that the project will take longer than 20 weeks

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