Complement of An Event Probability

 
13.3  Complement of An Event Probability
 

The probability for the complement of an event, \(P(A')\)

\(\begin{aligned} P(A) + P(A') &= 1 \\\\ P(A') &= 1- P (A) \\\\ \end{aligned}\)

where \(0 \le P(A) \le 1\).