Figure 12-1
-Given the network shown in Figure 12-1 and the following information, what is the variance of the critical path?
A) 16
B) 7
C) 9
D) 8
E) None of the above

Question

Figure 12-1 
-Given the network shown in Figure 12-1 and the following information, what is the variance of the critical path? 
A) 16 
B) 7 
C) 9 
D) 8 
E) None of the above

Quizplus · Accepted Answer

To find the variance of the critical path, we need to calculate the sum of variances of all activities in the critical path.

Critical path: A-B-D-E-G

Sum of variances: 2+2+5=9

Therefore, the variance of the critical path is 9, which corresponds to option C.

Figure 12-1 -Given the Network Shown in Figure 12-1 and the Following