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WAEC Mathematics 1991 (August) Question 38

Question 38

Probability

If events X and Y are mutually exclusive, P(X) = 1/3 and P(Y) = 2/5,
P(X∩Y) is

  1. A.0
  2. B.2/15
  3. C.11/15
  4. D.4/15
  5. E.1
Show the answer and explanation

Answer: A (0)

Explanation

Mutually exclusive events cannot happen together, so P(X∩Y) = 0.