Question 44 (4.5 points) An activity on a PERT network has these time estimates: optimistic 2, most likely- 3, and pessimistic-8. Its expected time and variance (if is a critical activity) are 1) none of these 2) 3.67;6 。3) 3.67; 1 4) 4.33:6 5) 4.33; 1 Save Question 45 (4.5 points) A project being analyzed by PERT has 38 activities, 16 of which are on the critical path. If the estimated time along the crtical path is 90 days with a project variance of 25, the 0.3446 2) 0.6554 3) 18 4) 0.0228 5) 0.9772
Expert Answer
44. 3.
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