4.67 11.17 15.84 D 15.66 10.99 26.83 0.00 4.67 4.67 A 5.33 5.33 10.00 4.67 4.00 8.67 E 15.33 10.66 19.33 Early Start Duration Early Finish Task Late Start Slack Late Finish Start 0.00 3.83 3.83 B 4.67 9.33 14.00 F 14.00 7.50 21.50 I 26.83 2.83 29.66 K Finish 6.17 6.17 10.00 10.00 5.33 19.33 19.33 5.33 26.83 26.83 0.00 29.66 7.33 6.00 13.33 G 0.00 7.33 7.33 13.33 6.00 19.33 0.00 0.00 7.33 7.33 6.50 13.83 H 13.83 13.00 26.83 J 7.33 0.00 13.83 13.83 0.00 26.83 A B C D E 1 Activity 2 (a) Immediate Optimistic Most Likely Pessimistic Predecessor F Te G (m) (b) (a + 4xm + b) / 6 ((b- a) / 6)^2 3 A 2 4 B 4 Sim 5 6 =(C3+4*D3+E3)/6 =((E3-C3)/6)^2 7 =(C4+4*D4+E4)/6 =((E4-C4)/6)^2 5 C 6 6:5 6 7 10 5 7 E A 3 24 12 14 8 F A, 8 9 9 G C 4 6 52 12 8 10 H 3 7 11 E, F, G 5 7 12 12 H 12 13 14 13 K D, I, J 1 3 4 =(C5+4*D5+E5)/6 =((E5-C5)/6)^2 =(C6+4*D6+E6)/6 =((E6-C6)/6)^2 =(C7+4*D7+E7)/6 =((E7-C7)/6)^2 =(C8+4*D8+E8)/6 =((E8-C8)/6)^2 =(C9+4*D9+E9)/6 =((E9-C9)/6)^2 =(C10+4*D10+E10)/6 =((E10-C10)/6)^2 =(C11+4*D11+E11)/6 =((E11-C11)/6)^2 =(C12+4*D12+E12)/6 =((E12-C12)/6)^2 =(C13+4*D13+E13)/6 =((E13-C13)/6)^2 A B C D E 1 Activity ~3 2 (a) Immediate Optimistic Most Likely Pessimistic Predecessor F Te G (m) (b) (a + 4xm + b) / 6 ((b - a) / 6)^2 3 st 4 B 24 5 6 4.67 0.4444 3 7 3.83 0.2500 5 6 7 10 7.33 0.4444 6 7 DE A 5 12 14 11.17 2.2500 3 4 4 0.1111 8 F A, B 8 9 12 9.33 0.4444 9 G U 10 H C 11 12 J - E, F, G H 435 6 6 0.4444 7 8 6.50 0.6944 7 12 7.50 1.3611 12 13 14 13 0.1111 13 K D, I, J F m 4 2.83 0.2500