Suppose A and B are two events where P(A)= 0.4,P(B)= 0.3,and P(A ∩A)= 0.5B)= 0.2.Then,P(B |

Name: Suppose A and B are two events where P(A)= 0.4,P(B)= 0.3,and P(A ∩A)= 0.5B)= 0.2.Then,P(B |
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Question

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We can use the formula for conditional probability: P(B | A) = P(A ∩ B)/P(A). 
From the given information, we know P(A) = 0.4 and P(A ∩ B) = 0.2. 
Therefore, P(B | A) = 0.2/0.4 = 0.5. 
So the answer is A, it is true that P(B | A) = 0.5.

Suppose a and B Are Two Events Where P(A)= 0