Question: 6 An activity on a PERT network has these time estimates: optimistic =2 , most likely =3 , and pessimistic =10 . What is its

6 An activity on a PERT network has these time estimates: optimistic =2 , most likely =3 , and pessimistic =10 . What is its expected activity time and variance? A. 4;1.78 B. 4;10.67 C. 5;1.7

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