Question: 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

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 PREDECESSOR a m b
A 2 8 14
B 3 6 9
C A 4 7 16
D B 2 5 8
E C 2 2 2

a) Find the expected completion time for this project.

The expected completion time for this project is ________

(enter your response as a whole number).

b) What variance value would be used to find probabilities of finishing by a certain time?

The project variance value of completion time is ________

(enter your response as a whole number).

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