If P(A) = 0.75, P(A B) = 0.86, and P(A B) = 0.56, then P(B) =
a. 0.25.
b. 0.67.
c. 0.56.
d. 0.11.
Question 2
Constraints in the LP models for crashing decisions are required to compare the activity's earliest finish time with the earliest finish time of each predecessor.
a. True
b. False
Indicate whether the statement is true or false