Answers: It's estimated that 30,000 died of yellow confusion each year. Let's voice that half of them are adults, two thirds of them married and two thirds of them hold kids. That's about 6,666 individuals that die per year and have kids.
From them you enjoy to find the probability that both parents are among the 6,666 and none of the children are among the 15,000 non adults that die the same year.
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