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Problem 4: A project consists of seven activities with the time estimates are: Activity | Predecessor Activity | Optimistic time estimate (days) | Most likely time estimate (days) | Pessimistic time estimate (days) A | - | 7 | 12 | 18 B | A | 2 | 3 | 4 C | A | 6 | 8 | 10 D | C | 2 | 4 | 6 E | C | 2 | 6 | 10 F | B | 6 | 7 | 8 G | D, E, F | 6 | 8 | 10 a) Construct the PERT/CPM network for this problem. You should draw the network on paper, take a picture and paste it into sheet 4. All calculation must be done on Excel for verification. (1 point) b) What is the expected project completion time? What is the critical path? (0.5 point) c) What is the probability that the project can be completed within 30 days? (0.5 point)

          Problem 4: A project consists of seven activities with the time estimates are:

Activity | Predecessor Activity | Optimistic time estimate (days) | Most likely time estimate (days) | Pessimistic time estimate (days)
A | - | 7 | 12 | 18
B | A | 2 | 3 | 4
C | A | 6 | 8 | 10
D | C | 2 | 4 | 6
E | C | 2 | 6 | 10
F | B | 6 | 7 | 8
G | D, E, F | 6 | 8 | 10

a) Construct the PERT/CPM network for this problem. You should draw the network on paper, take a picture and paste it into sheet 4. All calculation must be done on Excel for verification. (1 point)

b) What is the expected project completion time? What is the critical path? (0.5 point)

c) What is the probability that the project can be completed within 30 days? (0.5 point)

Problem 4: A project consists of seven activities with the time estimates are:

Activity | Predecessor Activity | Optimistic time estimate (days) | Most likely time estimate (days) | Pessimistic time estimate (days)
A | - | 7 | 12 | 18
B | A | 2 | 3 | 4
C | A | 6 | 8 | 10
D | C | 2 | 4 | 6
E | C | 2 | 6 | 10
F | B | 6 | 7 | 8
G | D, E, F | 6 | 8 | 10

a) Construct the PERT/CPM network for this problem. You should draw the network on paper, take a picture and paste it into sheet 4. All calculation must be done on Excel for verification. (1 point)

b) What is the expected project completion time? What is the critical path? (0.5 point)

c) What is the probability that the project can be completed within 30 days? (0.5 point)

Added by Russell N.

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