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Betty plans to have two children but doesn't know if they will be boy-boy, girl-girl, or boy-girl. What is the probability that she will have two girls?
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4 votes
Betty plans to have two children but doesn't know if they will be boy-boy, girl-girl, or boy-girl. What is the probability that she will have two girls?

User Igrigorik
by
6.6k points

1 Answer

5 votes
50%  every birth has a 50 50 chance of boy or girl
User Dionysis
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6.5k points
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