Question: Compute probabilities for the following compound events:
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
a. At least one will live to age seventy?
b. They will celebrate their golden wedding anniversary?