The probabilities of happening of the events \( A \) and \( B \) are \( \frac{1}{4} \) and \( \f....

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The probabilities of happening of the events \( A \) and \( B \) are \( \frac{1}{4} \) and \( \frac{1}{2} \) respectively. If the probability of
\( \mathrm{P} \)
happening of \( A \) and \( B \) simultaneously is \( \frac{7}{50} \), then probability of neither \( A \) nor \( B \) happening, is equal to
(1) \( \frac{39}{100} \)
(2) \( \frac{1}{4} \)
(3) \( \frac{11}{100} \)
(4) None of these


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