A	B	C	D	E	F	G	H	I	J
Most Optimistic	3	5	5	3	10	2	5	10	10	18
Most Likely	15	8	8	10	15	5	9	15	12	20
Worst Case Time	36	24	12	15	22	8	25	33	32	30
PERT-MEAN	16.50	10.17	8.17	9.67	15.33	5.00	11.00	17.17	15.00	21.33
SD	5.50	3.17	1.17	2.00	2.00	1.00	3.33	3.83	3.67	2.00
Variance	30.25	10.03	1.36	4.00	4.00	1.00	11.11	14.69	13.44	4.00
Path Mean	129.33
SD	9.6896279

Question 1. The probability that the project will be completed in 80 days is 0.731. This is based on the PERT-MEAN of 16.50 for activity A and the standard deviation of 5.50.