Question

The probability of a twenty-year-old man living to age seventy is .74, and the probability of a twenty-year-old woman living to the same age is .82. If a recently married couple, both age twenty, give 8 to 1 odds on their staying married for fifty years, what is the probability that at least one will live to age seventy?
(a) .95 (b) .90 (c) .96 (d) Non e of the above

Answer 1

None of the above........

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Answer 2

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