alleryStart learning →If P(A given B) = 0.5, P(B) = 0.2 and P(A) = 0.25, find P(B given A).
A0.25
B0.4
C1.0
D0.1
Answer & Solution
Correct answer: B. 0.4
The joint chance is 0.5 x 0.2 = 0.1, and dividing by P(A) = 0.25 gives 0.4.
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