• + 2 comments

    I was so confused that I was calculating the probability that the gender of the second child is "male", instead of calculating the probability that both children are boys... 1/3

    • + 0 comments

      same :) figured it out after I got it wrong the first time!

    • + 0 comments

      I still don't understand. Aren't "The second child is also a boy" and "Both children are boys" just two ways to say the same thing?