ACTIVITY PREC. ACT. TIME ESTIMATES (days)

to tml tp te A ----- 2 4 6 B ----- 2 5 8 CB123 DA222 E C,D 4 5 6 FE333 GF123 HE147

I G,H 2 5 14

1) Construct a PERT network. [NOTE: This is the most crucial part of the exercise. Make sure you have the correct network before proceeding to the next sections.]

2) CLEARL Y show all TIMES in the network. By using ES, EF , LF , LS, find the slack of each activity and IDENTIFY the CRITICAL PATH.

3) Find the completion time ( - Xbar) and the standard deviation () for the project round off the standard deviation to the nearest hundredth: two decimal places.

4) Find 68% and 99.7% Confidence Intervals.