Question: An activity on a PERT network has these time estimates: optimistic.2most likely unknown, and pessimistic - unknown. If variance 2.25 and expected time - 7.5,

An activity on a PERT network has these time

An activity on a PERT network has these time estimates: optimistic.2most likely unknown, and pessimistic - unknown. If variance 2.25 and expected time - 7.5, what are the most likely and pessimistic estimates? 8,12 5,12 OB 11 5.11 6.9

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