help me!!!

PERT TEST 2 ACTIVITY PREC. ACT. TIME ESTIMATES (days) to 2 2 6 4 8 B B D E r G H 1 1 2 4 3 2 2 5 3 2 2 6 A CD E F E GH 3 1 2 2 3 z 14 4 1 2 2 Construct a PERT network. I 20 pts. [NOTE: This is the most crucial part of the exercise. Make sure you have the correct network before proceeding to the next sections.] 2) CLEARLY show all TIMES in the network. By using Es, er, LF, Ls, find the slack of each activity and IDENTITY the CRITICAL PATH. 20 pts. 3) Find the completion time (u - Xbar ) and the standard deviation (m) for the project round off the standard deviation to the nearest hundredth two decimal places. I pts +) Find 68% and 95% Confidence Intervals. 10pts.] 3) What is the likelihood of this project being completed at least in 22. days? | 15 ptr.1 What is the likelihood of this project being completed Between 21 and 24 days? 15 portes.)