SOLUTION: Suppose p(x)=.25 and p(y)=.40. If p(x|y)= .20, what is p(y|x)?

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Question 1105712: Suppose p(x)=.25 and p(y)=.40. If p(x|y)= .20, what is p(y|x)?
Answer by Boreal(15235) About Me  (Show Source):
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P(x|y)=P(y|x)*P(x)/p(y)
0.2=P(y|x)*0.25/0.40
0.08=0.25 P(y|x)
P(y|x)=0.32.