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omk3 · 06-09-2010, 06:10 PM

Hmmm

We know at least one boy was born on Tuesday.
So we have the options:

Girl (any day) - Boy (Tuesday)
Boy (Tuesday) - Girl (any day)
Boy (Tuesday) - Boy (any day)
Boy (any day) - Boy (Tuesday)
Boy (Tuesday) - Boy (Tuesday)

I think the last probability is 3/5, or 0,6.

06-09-2010, 06:10 PM	#8
omk3 Wizard Posts: 1,454 Karma: 37243 Join Date: Dec 2009 Location: Europe Device: pocketbook 360, kindle 4	Hmmm We know at least one boy was born on Tuesday. So we have the options: Girl (any day) - Boy (Tuesday) Boy (Tuesday) - Girl (any day) Boy (Tuesday) - Boy (any day) Boy (any day) - Boy (Tuesday) Boy (Tuesday) - Boy (Tuesday) I think the last probability is 3/5, or 0,6.