Suppose a and b are dependent events. if and , what is ?
Asked by maham237 @ in Mathematics viewed by 332 People
Suppose A and B are dependent events. If P(A|B) = 0.25 and P(B) = 0.8 , what is P(AuB)?
Answered by maham237 @
According to the rules of probability, the relationship between two dependent events is expressed in the following equation below
P(A|B) = P(A∩B) / P(B)
Substituting,
0.25 = P(A∩B) / 0.8
P(A∩B) = 0.2
The answer hence is 0.2
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