Downloadable videos

Videos related to WBS, Network diagram and Probabilistic situations in project management can be downloaded from

https://drive.google.com/folderview?id=0B6PHuk6I5SxbbFpSR3MteThDWGc&usp=sharing

An exercise -- Draw activity network diagram

Draw an Activity-On-Arrow network diagram for following project.

Activity	Immediate Predecessor	Expected activity time (days)	Activity time variance (days)^2
a	-	10	25
b	e, h	15	30
c	g, j	9	35
d	b	12	40
e	a	8	50
f	-	7	40
g	i	20	80
h	f	15	30
i	-	5	40
j	f	10	20
k	i	10	0
l	g, j, m	28	24
m	k	7	30
n	c	10	50