Tricky Girl Child Probability Puzzle Solution - 8 April
In New York Park area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for New York Youth
academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school
at New York and they recently have a newborn.
Can you prove that probability of
House-H1 having girl child is more than that of House-H2?
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SolutionIn House H2, we know that older child is boy, therefore there are two cases
Older Younger
Boy Girl
Boy Boy
Probability of at least one girl child: 1/2
In House H1 there are three cases
Older Younger
Boy Girl
Boy Boy
Girl Boy
Probability of at least one girl child: 2/3
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