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Brainteaser #34- Boys And Girls -

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Puzzle Image Imagine a village where parents continue to have children until they have a boy. If they have a girl, then they try to have another child. If they have a boy, they stop. The probabilty of giving birth to a boy (or girl) is 50%.

What result would this have on the proportion of boys to girls in the village?

Do you have a suggestion for this puzzle (e.g. something that should be mentioned/clarified in the question or solution, bug, typo, etc.)?
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