Mumbai University > Civil Engineering > SEM 8 > Construction Management

Marks: 10M

Following is the data of associated with PERT project

Activity	A	B	C	D	E	F	G
Preceding Activity	--	--	A	B	A	B	C,D
to	6	5	4	4	4	2	4
tm	9	8	7	7	7	5	10
tp	12	17	22	16	10	8	22

Z	-3	-2	-1	0	1	2	3
P%	0.13	2.28	15.87	50	84.13	97.72	99.87

i) Determine the variance of the project

ii) What is the probability of completing the project in 29 days?

iii) What is the schedule duration with 90% probability?

Activity	Preceding Activity	to	tm	tp	te	σ	σ2
A	--	6	9	12	9	1	1
B	--	5	8	17	9	2	4
C	A	4	7	22	9	3	9
D	B	4	7	16	8	2	4
E	A	4	7	10	7	1	1
F …