Question: Probability that a man will be alive 25 years hence is 0.3 and the probability that his wife will be alive 25 years hence is

Probability that a man will be alive 25 years hence is 0.3 and the probability that his

wife will be alive 25 years hence is 0.4. Find the probability that 25 years hence only the

man will be alive will be

a) 0.12

b) 0.18

c) 0.28

d) 0.42

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