3. A precedence diagram network is shown below. The optimistic, most likely, and pessimistic durations are displayed for each activity (To, Tm, Tp). What is the probability (in percent) of completing the project in 70 days? 1 CE 420/520 - Engineering Planning Week 6 - Homework HW_6 (44 points) B D F 15, 20, 25 9, 13, 20 20, 26, 33 A 2,4,6 с H 5,6,7 E G 15, 18, 28 19, 22, 26 10, 17, 26

Fig: 1