HSS-CP.B.7
Apply the Addition Rule, P(\mbox{$A$ or $B$}) = P(A) + P(B) - P(\mbox{$A$ and $B$}), and interpret the answer in terms of the model.
Apply the Addition Rule, P(\mbox{$A$ or $B$}) = P(A) + P(B) - P(\mbox{$A$ and $B$}), and interpret the answer in terms of the model.