A dummy activity in a PERT network allows us to:
Consider the following project.
Activity Immediate Processor Activity Time (days)
A - 6
B - 8
C A, B 5
D B 4
E C 7
F C, D 3
G D 6
H E, F, G 5
A) specify the positive time and resources required to complete the activity.
B) maintain the precedence relationships.
C) add more starting nodes.
D) add more ending nodes.
Answer: B
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