LogFAQs > #927909538

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Topic	If a family has two children and you already know one of them is a girl.
masterbarf 09/25/19 1:31:47 AM #8:	Assuming a single child has an equal chance of being either a boy or a girl, I want to say the answer is 1/3. If I'm thinking about it correctly, there are three situations in which we can know one of the kids is a girl. In two of those situations the other is a boy. Only one scenario contains two girls. This is very similar to a question somebody here asked a while ago where you had to count the number of scenarios with the given information. I got it before, but there was a debate over the wording of the question. <cite>masterbarf posted [p:927909538] in If a famil... [t:78039647]...</cite> <quote>Assuming a single child has an equal chance of being either a boy or a girl, I want to say the answer is 1/3. If I'm thinking about it correctly, there are three situations in which we can know one of the kids is a girl. In two of those situations the other is a boy. Only one scenario contains two girls. This is very similar to a question somebody here asked a while ago where you had to count the number of scenarios with the given information. I got it before, but there was a debate over the wording of the question.</quote> ... Copied to Clipboard!
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