Q3(a) Ms. Maha works for a Unipro Software Technology software development company. Unipro has offices spread out all over the globe. Ms Maha's manager Mr. Sindbad comes to her office, excited about a new methodology he just read about called eXtreme Programming and he wants Ms. Maha to use it on the new Human Resource (HR) application that Ms. Maha and her team is getting ready to work on. The HR software will track employee information such as job performance, salary, vacation and so on for all 30,000 employees in all countries. Ms Maha project team contains members from the 5 different countries. Write a short report to Mr. Sindbad explaining why the use of eXtreme Programming model might not be such a good idea for this project and suggesting with other methodology might be more suitable. [5] b) Consider the following table summarizing the details of an IT project. Activity Immediate Predecessor Duration (Weeks) Optimistic Most Likely Pessimistic Time Time Time 3 6 9 B 2 5 8 ! C 6 12 18 D 4 5 6 E 8 11 14 F D 3 7 11 G B 3 9 15 H EF 2 4 6 1 G 8 16 18 Page 5 of 6 Q3(b) Q3(b) Continued (i) Construct the project network. [5] (ii) Calculate the Expected duration and Variance of each activity. [5] (iii) Calculate the Critical Path and expected project completion time. [4] (iv)Calculate the probability of completing the project on or before 22 weeks. [6]