According to Table 11-3, 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
E
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Fill in the blanks with correct word.
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