Definition2.1Additive Principle
The additive principle states that if event \(A\) can occur in \(m\) ways, and event \(B\) can occur in \(n\) disjoint ways, then the event “\(A\) or \(B\)” can occur in \(m + n\) ways.
The additive principle states that if event \(A\) can occur in \(m\) ways, and event \(B\) can occur in \(n\) disjoint ways, then the event “\(A\) or \(B\)” can occur in \(m + n\) ways.