Test 2 PERT() (Compatibility Mode] esign Layout References Mailings Review View A-A A Heading 1 Question for TEST2 PART : PERT ONLY Consider the following table: ACTIVITY PREC. ACT. TIMEESTIMATES (days) E, C, F 1) Construct a PERT network. (20 points) INOTE. This is the most crucial part of the cxercise. Make sure you have the correct network before proceeding to the next sections.] 2) By using ES, EF, LF. LS, find the slack of each activity and the critical path. (20 pointsy) 3) Find the completion time and the standard deviation (a) for the project-round off the standard deviation: "Sprem (20 paintsy) 4) What is the completion time at 95% and 99% confidence levels? (10 point) 5) What is the likelihood of this project being completed in more than 19 days? (20 point) 6) Between 17 and 18 days? (10 points)