Solve problems 10.1 and 10.2 manually (network calculations). Also, use ProjectLibre for problem 10.1 and 10.2 and compare your results.

Problems 10.1 Develop the network activity chart and identify the criti- cal path for a project based on the following information. Draw the activity network as a Gantt chart. What is the expected duration of the project? Activity A Expected Duration Predecessors A B D A A E 5 days 6 days 2 days 4 days 6 days 6 days 12 days 4 days 6 days 7 days 1 F B, C D, E F U H G 1 F J HI Activity A Expected Duration Predecessors B . D 2 days 3 days 4 days 4 days 5 days 6 days 4 days A B, C B E E F D C, E, F G