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JEE MAIN_2019_
10-04-2019-S-1
Question
Assume that each born child is equally likely to be a boy or a girl. If two families have two children each, then the conditional probability that all children are girls given that at least two are girls is:
Select the correct option:
A
$\frac{1}{11}$
B
$\frac{1}{12}$
C
$\frac{1}{10}$
D
$\frac{1}{17}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Mathematics
Easy
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