Problem 6.
	Complete the PERT analysis for the following project. Calculate the expected times and variances for the activities (round to nearest integer).
	Create the Gantt chart using Project and identify the critical activties.
	What is the probability of completing this project in 42 time-units? Use the Z-table available in your lecture slides.
	Activity	Predecessor	Optimistic time	Most likely time	Pessimistic time	Expected time	Variance
	A	-	1	2	6
	B	-	3	5	7
	C	A	4	8	10
	D	B	3	6	9
	E	C, D	5	10	15
	F	E	4	8	12
	G	E	5	7	10
	H	G	6	7	8
	I	F, H	9	12	15