Question: An activity on a PERT network has these time estimates: optimistic = 3, most likely = 5, and pessimistic = 10. Its expected time is

An activity on a PERT network has these time estimates: optimistic = 3, most likely = 5, and pessimistic = 10. Its expected time is

a. 5.33

b. 5.67

c. 5.5

d. 18

e. 5

A simple CPM network has five activities, A, B, C, D, and E.A is an immediate predecessor of C and of D. B is also an immediate predecessor of C and of D. C and D are both immediate predecessors of E.

a. There are five paths in this network.

b. There are two paths in this network.

c. There are four paths in this network

d. There are six paths in this network.

e. There are 10 paths in this network.

Please please, I don't have enough time to help me

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