Please solve the following problems. You can use Ms. Excel or Word.

Suppose you have a list of tasks shown in Table 1. Columns 1 and 2 list the tasks that must be accomplished, and their durations, respectively. Table 1. A list of tasks Task ID Task Predecessors Task Duration (hours) A - 10 B A 5 C A 5 D B, C 8 E B 10 F E 5 G D, F 1 H G 1 1.1. What is critical path? (0.5 Point) 1.2. What is the duration of this project? (0.5 Point) 1.3. What is the slack time of activity E? (0.25 Point) 1.4. What is the slack time of activity D? (0.25 Point) Consider the two Series activities (Path AB); Activity B starts after completing activity A. The manager is uncertain about the duration of the two activities and use the three-point estimation technique. For activity A: the most likely, the optimistic and pessimistic durations are 10, 8 and 13 days, respectively. For activity B: the most likely, the optimistic and pessimistic durations are 5, 4 and 11 days, respectively. 2.1. What is the expected duration of activity A? (0.25 Point) 2.2. What is the variance of the duration of activity A? (0.25 Point) 2.3. What is the expected duration of activity B? (0.25 Point) 2.4. What is the variance of the duration of activity B? (0.25 Point) 2.5. What is the expected duration of path AB? (0.25 Point) 2.6. What is the variance of the duration of path AB? (0.25 Point) Prcdent Suivant