The probability of happening of an event \(A\) is \(0.3\) and that of \(B\) is \(0.5\). If \(A\) and \(B\) are mutually exclusive events, then obtain the probability that neither \(A\) nor \(B\) happen.
 
Answer:
 
\(P(\text{neither} \ A \ \text{not} \ B) =\)