greater than earliest event time of the following node

less than earliest event time of the following node

less than or equal to earliest event time of the following node

greater than or equal to earliest event time of the following node

Earliest start of an activity is the early event time of the node it leaves.

Latest finish of an activity is the late event time of the node it enters.

Latest start of an activity is its latest finish minus its duration.

none of the above

7

8

9

5

2

4

8

7

activity 4—6 is completed

activity 3 - 5 is completed

activity 2—3 is completed

both activities 2—3 and 4—6 are completed