Extracted text: Homework 2.pdf Homework2 Draw and analyse the arrow network for the following activities by using PERT method assuming three estimated duration for each activity which are shown I the table below. Then, find: 1. The probability of completing the work of the whole project in 20 weeks 2. The completion time of the project at probability of 95% 3. The completion time of the project at probability of 100% Estimated duration (weeks) Activities Followed by to tm tp 8. A B,G B 2. 4 D.E F F 1/2 3/2 H.K G 3 8. 1 H. 1/2 3/2 4 11 K 3 Good Luck Prof Dr. Ali J. Kadhem Assit Prof. Dr. Abeer K. Jameel II