0
The question cannot be answered properly because the children's genders are not independent events. They depend on the parents' ages and their genes. Furthermore, it is often wrongly assumed that the probability of a boy is 50%. That is simply not true: the latest information shows that the probability of a boy is 52%.
However, if you choose to ignore reality then the solution, based on the Binomial(9, 1/2) distribution, is that the probability is 0.1641, approximately.
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What is the probability of having three girls and zero boys?
Assuming that having boys and girls are equally likely, then the probability is 1/8. * * * * * You also need to assume that the children's genders are independent. They are NOT and depend on the parents' ages and genes.
What is the probability of having 2 girls and 3 boys in a five child family?
1/32
What is the probability of having 7 girls in a row?
It depends on the context. In a girls' school, it is pretty close to 1 whereas in a boys' school it will be 0.
There are 4 boys and 3 girls What is the probability the boys and girls sit alternately?
1/35
What is the probability of picking 2 girls out of 6 boys and 6 girls?
well it Will be even
