5 Questions
Which equation represents the conditional probability of A given B?
$P(A|B) = \frac{P(A\cap B)}{P(B)}
Which equation represents the conditional probability mass function of Y, given that X=x?
$p_{Y|X}(y|x) = \frac{P(Y=y\cap X=x)}{P(X=x)}
What is the conditional probability mass function of Y, given that X=x?
$p_{Y|X}(y|x) = \frac{p(x,y)}{p_X(x)}
Which equation represents the conditional probability mass function of X, given that Y=y?
$p_{X|Y}(x|y) = \frac{P(X=x\cap Y=y)}{P(Y=y)}
What is the conditional probability mass function of X, given that Y=y?
$p_{X|Y}(x|y) = \frac{p(x,y)}{p_Y(y)}
Test your knowledge on conditional probability distributions with this quiz. Recall the definition of conditional probability for events and apply it to various scenarios.
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