The probability that a man will live another 10 years is 1/4 and the probability that his wife will live another 10 years is 1/3 . Then the probability that both will be alive in 10 years is :
(a) 11/12
(b) 7/12
(c) 5/12
(d) 1/2
Correct option (d) 1/2
Explanation:
Let P (A) P (B) be the probability that a man, woman less live for another 10 yrs.
The probability that both will be alive in 10 yrs is
