Question: The table given below shows the precedence relations, and three time estimates (optimistic, most likely, and pessimstic) of activities of a project. Write down the

The table given below shows the precedence

The table given below shows the precedence relations, and three time estimates (optimistic, most likely, and pessimstic) of activities of a project. Write down the mean and standard deviation of the project completion time. Time (weeks) Activity Immediate Predecessor(s) optimistic most likely pessimistic A 1 2 3 7 B 3 5 C 2 4 12 12 D B, C 4 5 E B 3 4 11 F B 1 3 5 G 3 4 5 C D E, F . 2 3 4

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