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September 7th, 2018, 1:15 pm
Forum: Brainteaser Forum
Topic: Proportion of boys to girls, if continues to have children until a boy
Replies: 15
Views: 4881

### Re: Proportion of boys to girls, if continues to have children until a boy

Still looking for a clue on how to form  Probability Density Function for such problems

S0 that integration can perform on it calculate the expectation
September 3rd, 2018, 10:50 pm
Forum: Brainteaser Forum
Topic: Proportion of boys to girls, if continues to have children until a boy
Replies: 15
Views: 4881

### Proportion of boys to girls, if continues to have children until a boy

In a country in which people only want boys, every family continues to have children until they have a boy. If they have a girl, they have another child. If they have a boy, they stop. What is the proportion of boys to girls in the country? Need to solve by forming Probability Density Function and ...

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