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.
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
Probability of at least one girl child: 1/2
In House H1 there are three cases
Probability of at least one girl child: 2/3
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