Quote:
Originally Posted by omk3
Ok next try.
We have three possible combinations, GB, BG, BB.
The chances of the boy being born on a Tuesday on each of the first two cases is 1/7.
|
Yes.
Quote:
Originally Posted by omk3
In the BB case, we have 49 possible combinations, in 13 of which there is at least [one boy born] on Tuesday.
So the chances of at least one boy being born on a Tuesday in a BB case are 13/49.
|
Yes.
Quote:
Originally Posted by omk3
Which makes the overall probability....  |
You've got the right numbers so far. You just need to combine them with the probabilities of the two cases you've analysed, and then you'll have the answer...