Chander Prakash Khandelwal
11 years 3 months ago
We need to analyse statistically that how many couples have a single male child and how many have single girl child? How many couples with two or more child, had first male child? How many people, who had first girl child, had second child also girl? These things will give a deeper insight into problems.By natural selection in 100 couples, first child should be 50boy and 50 girls. If 20 people with boys don't go for second child.remaining 80will have again40 boys and 40 girls hence20 excess boys
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