WAEC - Mathematics (1991 - No. 41)
Mrs. Jones is expecting a baby. The probability that it will be a boy is 1/2 and probability that the baby will have blue eyes is 1/4. What is the probability that she will have a blue-eyed boy?
1/8
1/4
3/8
1/2
3/4
Selitys
(1/2)(1/4) = 1/8