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12-01-2017
Mathematics

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A FAMILY HAS 2 CHILDREN. FIND THE PROBABILITY THAT BOTH ARE BOYS IF IT IS KNOWN THAT
i)atleast 1 is boy
ii)elder child is boy

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Blurryface25 Blurryface25

12-01-2017

1/2 because if there's at least 1 boy that same boy could be the elder child so 1 could be a boy and the other a girl younger than him

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