Use the following data for problems 37 to 40.

Activity	Activity Predecessor	Optimistic Time	Most Likely Time	Pessimistic Time
A	--	2	5	9
B	--	14	15	22
C	A	1	7	9
D	B	12	18	24
E	C, D	3	6	9
F	C, D	10	12	18
G	E, F	8	19	20
H	E, F	3	4	5

1. The critical path for the project?
   1. A, C, E, H
   2. B, D, F, H
   3. B, D, F, G
   4. All activities are on the critical path due to the variable activity completion times

1. The expected time for activity C is?
   1. 6.33
   2. 7.02
   3. 9.00
   4. 1.06

1. What is expected project completion time?
   1. 55.0
   2. 64.0
   3. 71.0
   4. 43.0

1. What is the variance for the project?
   1. 3.4
   2. 5.6
   3. 7.4
   4. 11.6