Question: In a project network, the pessimistic - most likely -optimistic time needed for activity A is 3 - 4 - 5 . The pessimistic -most

In a project network, the pessimistic - most likely -optimistic time needed for activity A is 3 - 4 - 5 . The pessimistic -most likely -optimistic time needed for activity B is 356. Which of the following is correct? The variance of activity A is 9/36. The variance of activity B is 9/36. The expected time of activity A is 3.5. The expected time of activity B is 5

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