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General Parenting Discussion
Reply to "Keep having kids until a girl is born"
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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]Math puzzle: suppose everyone does this: has babies until they get a girl, and then stop. Some families have 1 girl. Some have 1 boy and one girl. Some have 2 boys and 1 girl. Etc. What is the resulting overall ratio of boys:girls across the population? [/quote]That's a trick question. It's still 1:1 ratio because each birth is 50/50 random.[/quote] Sort of. While that is roughly the birth ratio for the overall population, each individual man/woman pair has different odds. This couple had 13 boys in a row. No girls, no interventions or gender selections or anything like that. https://www.cnn.com/2015/05/14/health/feat-michigan-couple-13-sons/index.html[/quote]If the odds depend on the parents, then yes the ratio would be different from 1:1. But the odds of having 13 boys in a row isn’t that low. One in every 8000 couples that have 13 kids will have all boys.[/quote]
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