High School Statistics and Probability
Domain Conditional Probability and the Rules of Probability
Cluster Use the rules of probability to compute probabilities of compound events in a uniform probability model
Standard Find the conditional probability of $A$ given $B$ as the fraction of $B$'s outcomes that also belong to $A$, and interpret the answer in terms of the model.

S-CP.B.6. Find the conditional probability of $A$ given $B$ as the fraction of $B$'s outcomes that also belong to $A$, and interpret the answer in terms of the model.