QUESTION $9$

PERT

A$)$ assumes that we do not know ahead of time what activities must be completed.

B$)$ assumes that activity time estimates follow the normal probability distribution.

C$)$ is a network technique that uses three time estimates for each activity in a project.

D$)$ is a deterministic network technique that allows for project crashing.

E$)$ came about from businesses needing to manage activities in an orderly fashion.