Slack PERT Practice Delta - April 2020 1 Draw the PERT diagram and complete the table: Activity predecessors HOURS TH Tis Tes Tel NONE 2 A B NONE 4 D 1 8 E Optimistic 3 Best guess 4.5 Pessimistic 2 F A 3 G CD H E 0 (see note) 4 F 3 LGH E 2 Activity is a "dummy" activity. In this case it is merely a report that Activity E has been completed. Operations Managers may have to create such my activities to permit the chart correctly to display sequencing of the activities. What is the critical path? What is the project duration