The probability that a man will be alive for 10more yrs is 3/4 & the probability that his wife will alive for 10 more yrs is 3/7. The probability that none of them will be alive for 10 more yrs, is Choose one:  A) 1/2  B) 1  C) 1/7  D) 3/4  E) 2
Sol. Required probability = Pg.) x P(B) = (1— D x(1 —I) =: x 1=1/7   Ans.(1/7)
<result>C</result>
The probability that a man will be alive for 10more yrs is 3/4 & the probability that his wife will alive for 10 more yrs is 3/7. The probability that none of them will be alive for 10 more yrs, is