Question 3: Yiit nar is developing a program with a number of activities that must be completed. The activities, immediate predecessors, expected times and variances given in the table below. Activity Immediate Pred. Time (days) A 2 1/9 B 5 1 3 1/9 B 10 1 Im 0 0 AD 2 1/3 6 1/9 G E, F 8 1/3 Questions: a. (5 points) Develop an AON (Activity On Node) network for this problem. b. 6 points) What is the earliest start, earliest finish, latest start and latest finish (ES, EF, LS, LF) times for all activities? c. 6 points) What is the completion time of the project? d. 6 points) What is variance and standard deviation of critical path? e. 6 points) What is the probability of completion the project on the completion time? f. (5 points) Which activities are slack activities? g. 5 points) If we have 3 days delay in activity D what will be the new completion time of the project