The normal and crash duration with cost for various activities involved in a repair work is given below. The direct cost for supervision of the work is also indicated. Task Pred Optimistic (Days) Most likely (Days) Pessimistic (Days) Crash Time (Days) Resource 1 (L.E) Res 2 (Workers) B 15 6 19 8 16 8 17 7 15 8 2 2 3 1 2 D 14 8 1 3 6 B 1 Crash Cost Res 1 (L.E) 230 170 880 250 65 75 180 880 210 320 825 420 4 E F G H | J K L 15 6 11 5 1 3 5 14 3 2 8 4 B,D C.E F G,H,1 G,H,1 J @ 100 150 120 100 50 40 140 100 150 200 200 200 3 5 6 26 6 6 19 5 3 2 1 1 18 4 3 2 11 4 3 13 6 4 15 8 3 3 The administrative cost of the project is L.E 198 per day. V- What is the standard deviation of the project? vi- What is the normal completion time for the project? vii- What is the probability of completing the project in 52 days? viii- Draw the Gantt Chart for resource 2 based on ES times