1. In the analysis of Cost of Quality, the cost incurred after selling defective products to customers is referred to as:
Appraisal cost
Prevention cost
Internal failure cost
External failure cost
2. An activity in a PERT network has these time estimates: optimistic = 3, most likely = 6, and pessimistic = 8. Its expected completion time is:
5.67
5.83
5.00
6.13
3. Which of the following statements is INCORRECT regarding CPM and PERT?
Only critical activities contribute to the variance of the project completion time in PERT.
CPM includes uncertainty in activity times.
PERT uses Beta distribution to determine the mean activity time and the variance of an activity.
ES, EF, LS, and LF can be determined in both CPM and PERT networks.