Answer Happy

The following data relates to tasks, dependencies, and estimated times for a software development project AMMENDMENT TO THE TABLE (ii) Calculate the expected times for each activity, A to H chronologically, under PERT scheme (use 2dp arithmetic) tm st (iii) The variance of the critical path is (answer rounded off to 2 decimal points) A Most Optimistic. Pessimisti likely Activity Description Predecessor t_0 tup Define the A 4 5 12 project Evaluate the B А. 2 3 4 customer requirement Prepare software с B 6 8 22 specification documents Write software 8 test plans Write E program 3 4 code (iv) The LFT associated with activities A, B, C, D, E, F, G, and Hare D {(v)} The ST associated with activities A, D, E, and G are с 4 6 5 (vi) The EST associated with activities A, B, C, D, E, F, G, and Hare חד E 2 4 6 G DF 2 3 4 Developer testing System testing Write software manuals (vii) The LST associated with activities A, B, C, D, E, F, G, and H are H с 5 7 15 Draw an activity-on-node diagram showing the earliest/latest start/finish times (EST, LST, EFT, LFT), duration (D) and slack times (ST) associated with each activity and answer the following questions The duration of the project is days