1.)

Given an activity's optimistic, most likely, and pessimistic time estimates of 4, 22, and 28 days respectively, compute the PERT expected activity time for this activity.

		7
		22
		20
		none of these
		18

2.)

We can find LS and LF using

		the ES and EF times
		a backward pass through the network
		backward and forward passes through the network
		a forward pass through the network

3.) Which of the following are major characteristics of projects? Choose all that apply.

		Has a defined life span with a beginning and an end
		Requires all project activities to be completed by the same team
		Has specific performance, time, and cost requirements
		Has an established objective