An activity on a PERT network has these time estimates: optimistic = 1, most likely = 2, and pessimistic = 5. Its expected time is
A) 2.00
B) 2.33
C) 2.67
D) 8.00
E) none of these

Question

Quizplus · Accepted Answer

The formula for expected time in PERT is: 
Expected time = (optimistic + (4 x most likely) + pessimistic) / 6 
Expected time = (1 + (4 x 2) + 5) / 6 
Expected time = 2.33

An Activity on a PERT Network Has These Time Estimates