2. A small software development project at Krishna Dhar's firm has five major activities. The times (in days) are estimated and provided in the table below:

Activity	Immediate Predecessor	a	m	b
A		2	5	8
B		3	6	9
C	A	4	7	10
D	B	2	5	14
E	C	3	3	3

a) The expected completion time for this project is

_____days (enter response as a whole number).

b) The project variance of completion time is

_____days(enter response as a whole number).

c) The probability that this project can be completed in 17 days or less is

______(keep two decimal places).

d) The probability that it will take more than 17 days to complete this project is

_____ (keep two decimal places).

e) The due date that yields a 98% chance of completion is

______(keep two decimal places).