Question: An activity on a PERT network has these time estimates: optimistic = 3 , most likely = 5 , and pessimistic = 8 . What

An activity on a PERT network has these time estimates: optimistic =3, most likely =
5, and pessimistic =8. What are its expected activity time and variance?
5.33;0.69
5.83;2.25
5.17;0.69
5.33; 0.83
5.17;0.83
An activity on a PERT network has these time estimates: optimistic

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