Moving to another question will save this response. Question 64 of 75 Question 64 1 points SAVE ANSWER Which of these statements is best? O a. PERT was developed for a project for which activity or task times were uncertain. b. In PERT, the most likely completion time of an activity is used to represent that activity's time within a project. Oc. PERT is a network technique similar to CPM, but PERT allows for project crashing, whereas CPM does not. d. The expected completion time and variance of an activity is approximated by the normal distribution in a PERT analysis. Moving to another question will save this response. Question 64 of 75 >>