For each of the following network diagrams, determine both the critical path and the expected project duration. The numbers on the arrows represent expected activity times.
a. Activity-on-arrow diagram
The critical path is (Click to select)1-3-7-8-91-3-6-9-11-121-2-5-8-10-121-2-5-7-8-91-2-4-7-10-12.
The expected project duration is.
b. Activity-on-node diagram
The critical path is (Click to select)1-2-5-6-8-91-2-5-7-8-91-2-4-6-8-91-3-7-8-91-3-6-9-11-12.
The expected project duration is.
c. Activity-on-arrow diagram
The critical path is (Click to select)1-3-6-13-161-2-5-12-161-3-7-14-161-4-8-10-11-15-161-4-8-9-10-11-15-16.
The expected project duration is.