Question: An activity on a PERT network has these time estimates: optimistic - 2, most likely - unknown, and pessimistic - unknown. If variance = 4

An activity on a PERT network has these time estimates: optimistic - 2, most likely - unknown, and pessimistic - unknown. If variance = 4 and expected time = 8, what are the most likely and pessimistic estimates? 5, 14 5.12 6,9 8,14 8,12

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