Question: Consider the following project: Immed. Optimistic Most Likely Pessimistic Activity Predec. Time (Hr.) Time (Hr.) Time (Hr.) A -- 2 4 6 B A 1

Consider the following project:

Immed. Optimistic Most Likely Pessimistic

Activity Predec. Time (Hr.) Time (Hr.) Time (Hr.)

A -- 2 4 6

B A 1 7 5

C A 3 3 2

D A,B 4 5 9

E C 0.5 1 1.5

F C,D 2 3 6

A) Draw or explain the network or explain the precedences (5 Marks)

B) Calculate the expected time for each activity (5 Marks)

C) Calculate the variance for each activity (5 Marks)

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