Problem: The following information has been gathered for a project:
TIME ESTIMATES (DAYS)
Activity Immediate Predecessor(s) Most Optimistic Most Likely Most Pessimistic
A ---- 6 9 12
B ---- 4 8 12
C A 5 6 7
D A 3 5 7
E B,D 4 7 10
What is the probability of completing the project in 23 days, using the critical path? Select one:
a. Greater than 85% but less than or equal to 95%
b. Less than or equal to 75%
c. Greater than 75% but less than or equal to 85%
d. Greater than 95%