Identify the critical path and determine the expected project duration (Eep). Compute the variance of critical path duration (ocp). What is the probability that the project will take at least 21 days to complete? What is the probability that the project will take no more than 21 days to complete? Practice Problem Set #1 (All time estimates are in days) Activity Predecessor Expected Time A B C D E F G H I A A B B C D, E, F D, E, F G, H 6.5 2.6 3.1 4.2 2.6 1.5 5.4 6.9 1.6 Draw the project network diagram. Variance of Time 2.3 1.4 0.8 1.1 0.4 0.0 0.7 1.8 0.7 ES EF LS LF Slack