Q1 Q1: Prepare a project network; compute the expected time for each activity then compute the early, late, and slack activity times. Then plan using PERT Technique, and answer the following questions: (18 marks) 1. What is the project duration? and, identify the critical path of the project. (Note: draw the project's network using AON method with respect to the above legend). (5 marks 2. What is the probability of completing the project in 112 days? (2 marks) 3. What is the probability of completing the "Review manual" activity in 65 days? (2 marks) 4. What is the optimistic and pessimistic project 5. What is the What is the duration? (2 marks) expected project duration to be ensure 92% chance of completing the project? (2 marks) 6. What is the probability of completing the project in a period between 110 and 120 days? (3 marks) 7. What is the most probability time to complete the project? (2 marks) ID ABODE ES ID EF SL LS C LS Description DUR LF EF A External specifications Review design features Document new features Task name Write software Program and test F Edit and publish notes G Review manual H Alpha site I Print manual J Beta site K Manufacture L Release and ship Optimistic Most likely Duration Duration 7 1 2.5 50 40 1 1.5 15 200602 8 8 8 2 3 60 60 2 N82923 20 10 10 12 Pessimistic Predecessor Duration 9 3 3.5 70 80 3 2.5 2q5 12 14 16 4 None A A A B C D E, F G H, I J K