how many possible groups of five are there?

So we look at the row five,where the first number corresponds to five girls,and the last corresponds to five boys.The third number is what we're looking for Ten out of the sum of all the possibilities in the row.so 10/32, or 31.25%.Or, if you're randomly picking a five-player basketball team out of a group of twelve friends,how many possible groups of five are there?