Question: A project involving the installation of a computer system comprises eight activities. The following table lists immediate predecessors and activity times (in weeks). Activity Immediate

A project involving the installation of a computer system comprises eight activities. The following table lists immediate predecessors and activity times (in weeks).

Activity Immediate Predecessor Time A —3 B —6 C A2 D B, C 5 E D4 F E3 G B, C 9 H F, G 3

a. Draw a project network.

b. What are the critical activities?

c. What is the expected project completion time?

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