<PRE><B>Question 634590</B>
The probability that a man will live 10 more years is 1/4, and the probability that his wife will live more years is 1/3. Find the probability that 
a. both will be alive in ten years;:: (1/4)(1/3) = 1/12
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b. at least one will be alive in 10 years;:: 1 - (3/4)(2/3) = 1/2
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c. neither will be alive in 10 years;::: (3/4)(2/3) = 1/2
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d. only the wife will be alive in 10 years;:: (3/4)(1/3) = 1/4
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Cheers,
Stan H.
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