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