Question: activity on a PERT network has these time estimates: optimistic = 2, most likely = unknown, and pessimistic = known. If variance - 2.25 and

activity on a PERT network has these time estimates: optimistic = 2, most likely = unknown, and pessimistic = known. If variance - 2.25 and expected time = 5.5, what are the most likely and pessimistic estimates? 5.12 8.12 5.11 8.11

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