Ononot — Consider two variables X, Y where P(X=1)=0.5 and P(Y=1|X=1)=

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Conditional Probabilityhard

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Consider two variables $X, Y$ where $P(X=1)=0.5$ and $P(Y=1|X=1)=0.8, P(Y=1|X=0)=0.2$ . What is the probability that $X=1$ given $Y=1$ ?