frost100 frost100
  • 12-01-2017
  • Mathematics
contestada

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 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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