ACTIVITY PREC. ACT. TIME ESTIMATES (days) tml to te In TM On ED - N - W N - WN "NW - UUN 1) Construct a PERT network. [NOTE: This is the most crucial part of the exercise. Make sure you have the correct networ next sections.] 2) By using ES, EF, LF, LS, find the slack of each activity and the critical path. 3) Find the completion time and the standard deviation () for the project-round off the stand hundredth: two decimal places. 4) What is the completion time at 68% and 95 % confidence levels? 5) what is the likelihood of this project being completed earlier than 15 days? 6) Between 15 and 18 days