Here is the answer to the original post.'G' stands for Girl.'B' stands for Boy.'T' stands for Thinnest.'N' stands for Not-thinnest.If I just told you I have two children and asked what the odds were that they were both boys the answer would be 1:4 or 20%.All the possible permutations of children being;Code: [Select]G GG BB GB BBy telling you that one of my children is a boy I obviously increase th