A small software development project at? Krishna? Dhir's firm has five major activities. The times are estimated and provided in the? table? below:
Activity Immediate Predecessors A M B
A - 2 5 8
B - 3 6 9
C A 4 7 10
D A 2 5 14
E B 3 3 3
??a) The expected completion time for this project is ____________
??b) The project variance value of completion time is ____________