Just need question B with explantion, to make things easier her is my CPM analysis

b. What date results in a 99% probability of completion? PX ACTIVITY IMMEDIATE OPTIMISTIC MOST PREDECESSOR(S) TIME LIKELY TIME B 1 A 6 D A B, C D D E, F G, H I K L, M E F G H J K M N 10 5 1 2 4 1 2 8 2 1 6 N 6 8 9 3 7 4 6 9 4 2 8 PESSIMISTIC TIME 7 3 6 11 18 6 8 6 00 8 7 11 6 3 10 ut Formulas. Data Review View Help A EH.. GH ntation Size Print Breaks Background Print Area Titles Page Setup A B ACTIVITY IMMEDIATE PRE a - A A B, C D D E, F G, H I I J ve 1 2 A 3 B 4 C 5 D 6 E 7 F 8 G 9 H 10 I 11 J 12 K 13 L 14 M 15 N 16 17 a) = 50 days 18 19 20 21 22 K L, M 5 Width: Automatic Height: Automatic Scale: 100% Scale to Fit b 4 1 6 5 1 2 1 4 1 2 8 2 1 6 D Gridlines Headings View View Bring Print Print Forward Sheet Options 5 E 6 17 2 6 8 9 3 7 4 6 5 9 4 2 8 7 3 6 11 18 6 8 6 8 7 11 6 3 10 13 Selection Align Group Rotate Pane Arrange G H Variance ACTIVITY A B C D E F G Send Backward F | 1 I I | I I | I T I | I 1 I H I J K L M N 0.11 0.03 - 0.25 1.78 0.03 1.00 - 0.69 0.25 0.03 0.11 0.03 0.11 Time I 5.83 2.00 6.00 8.00 9.17 3.33 6.17 4.33 5.50 4.83 9.17 4.00 2.00 8.00 ES J 0 0 5.83 5.83 11.83 13.83 13.83 21 25.33 30.83 30.83 30.83 40 42 EF K L LS 5.83 LF -0.01 2 9.83 11.83 5.82 13.83 9.67 21 11.83 17.16 17.67 20 19.16 25.33 21 30.83 25.33 35.66 30.83 40 30.83 34.83 38 42 40 50 42 M 5.82 11.83 11.83 17.67 21 21 25.33 25.33 30.83 40 35.66 42 42 50 N Slack 0.01 -9.83 0 -3.84 0 -3.84 -5.33 0 0 -4.34 4.34 -7.17 0 0 0 P Comments Q 19 R