The probability that a man will be alive for 10more yrs is 1/3& the probability that his wife will alive for 10 more yrs is 2/5. The probability that none of them will be alive for 10 more yrs, is	Choices.
A) 1/2  B) 1  C) 2/3  D) 3/4  E) 2/5
Sol. Required probability = Pg.) x P(B) = (1— D x(1 —I) =: x 1=2/5   Ans.(2/5)
<result>E</result>
The probability that a man will be alive for 10more yrs is 1/3& the probability that his wife will alive for 10 more yrs is 2/5. The probability that none of them will be alive for 10 more yrs, is