Question

The two events A and B have probabilities 0.25 and 0.50 respectively. The probability that both A and B occur simultaneously is 0.14. Then the probability that neither A nor B occurs is

• A. 0.39
• B. 0.25
• C. 0.904
• D. None of these

Answer 1

Answer: (A)

0.39

Answer 2

$P \left( A ^ { c } \cap B ^ { c } \right) = 1 - P ( A \cup B )$