Table 12-3 -According to Table 12-3, There Are Five Activities in a Activities

Multiple Choice

Table 12-3
-According to Table 12-3, there are five activities in a PERT project. If the normal distribution were used to find the probability of finishing this project in 24 weeks or fewer, what mean and variance would be used?

A) 20 and 4.222
B) 30 and 5.222
C) 20 and 5.222
D) 30 and 4.222
E) 22.667 and 1.111