TIMES (days) MOST LIKELY Activity Finish OPTIMISTIC PESSIMISTIC Start Node Node Com A 1 2 28 46 34 1 B 3 15 27 51 2 5 10 34 22 D 3 4 27 39 63 4 54 E 5 12 33 Activity A... - 35 Standard Deviation - 3 Activity B...... A Standard Deviation Activity Ce- Standard Deviation- A Activity ....... A/ Standard Deviation - I A/ Activity E......... Standard Deviation - 7 Path 1-2-5 Mean Time AJ Standard Deviation 5 Path 1 - 3-4-5 Mean Time A/ Standard Deviation I