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In a village in each family they give birth to children till they get a boy IF girl child they try again What is the ratio of boys to girls?
Wiki User
∙ 11y ago
Assuming P(B) = 1/2 and P(G) = 1/2, the expected ratio of boys to girls would be:
B/G = 1.
Explanation:
Suppose 16 families. On their first child there would be 8 boys and 8 girls. From the
8 families that would try again their would be 4 girls and 4 boys. From the 4 families that would try again there would be 2 girls and 2 boys and from the 2 families that
would try again there would be 1 girl and one boy. Form the last family to try again
the chances of getting a boy or a girl is 1/2. So in a larger population than 16 families
half the time they would get a boy and half the time a girl. The relation of boys to
girls end up to be 1 to 1.
Wiki User
∙ 11y ago
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