Question: Use the following information about a PERT project to answer Q38-39. Times are in days. Assume only one critical path exists which is: B, C,

Use the following information about a PERT project to answer Q38-39.

Times are in days. Assume only one critical path exists which is: B, C, E, F

Activity optimistic Most likely pessimistic Critical?
A 4 6 9 No
B 2 3 9 Yes
C 12 14 15 Yes
D 10 28 29 No
E 3 4 5 Yes
F 2 4 6 Yes

38. What is the expected project completion time?

a. 25.7 days

b. 30.0 days

c. 23.4 days

d. 57.0 days

39. What is the standard deviation of project completion time?

a. 1.47 days

b. 2.17 days

c. 1.06 days

d. 3.44 days

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