1. In project management, crashing an activity on a critical path:
a) never impacts the critical path
b) may change the critical path
c) will change the critical path
2. In project management, crashing an activity on a critical path by one time period:
a) may decrease the project duration by one time period
b) will descrease the project duration by one time period
c) may increase the project duration by one time period
3. A PERT project having an expected project duration of 20 days, with a SD of 5 days, has a probability of approximately _____ of being completed in more than 25 days.
a) .50
b) cannot estimate based on the infromation provided
c) .16
4. A PERT project having an expected project duration of 20 days, with a SD of 5 days, has a probability of approximately ______ of being completed within 25 days.
a) .84
b) .95
c) cannot estimate based on the information provided.
5. Decision trees
a) must begin with a chance node
b) are limited to three decision stages
c) none of the above is true