this is operations research for industrial engineers, help me answer pls thank you!

Question 55 2 Points Consider Question 51. Before embarking on the project, the two consultants decided that it is important to consider the uncertainty of the times required for certain tasks. As with any software project, unanticipated bugs can surface and cause significant delays. Based on their past experience, the programmers decide that the values of a, b, and m be as follows. The project completion time is Blank 1 weeks. Activity code a m A B D E F G H I 2 2 2 4 2 2 3 3 5 3 4 2 6 5 3 7 5 8 b 4 10 2 12 8 8 10 9 18 Blank 1 Add your answer Question 56 2 Points Consider Question 55. The critical path is Blank 1. (Answer must be of this from: A-B-D-H) Blank 1 Add your