The cencus bureau says that the black population is roughly 13-14%... 50-50 split for men-women, that would actually put her closer to ~7% of the population. Now as far as the jokes go, you say "wow that must have taken you all night to come up with, because I haven't already heard that 50 times before" then make the person who thought they were being clever sound like an ass. As long as that rant made you feel better,