_____ 7) ________ is the maximum length of time that an activity can be delayed without delaying the entire project.

A) the expected activity time.

B) the most likely activity time.

C) the pessimistic activity time.

D) the slack time.

_____ 8) Examples of external disruptions to the supply chain are the following:

A) environmental disruptions

B) loss of major customers

C) product quality failures

D) both A) and B)

E) none of the above

_____9) Which of the following are true about the bullwhip effect:

A) ordering patterns experience decreasing variance as you proceed upstream in the supply chain.

B) ordering patterns experience increasing variance as you proceed downstream in the supply chain.

C) the ordering patterns remain completely level throughout the supply chain

D) none of the above