Of the kids in a chess club, are left-handed and are right-handed. The club holds a round-robin tournament in which every player plays against every other player exactly once.
What fraction of the games have two right-handed players? Enter your answer as a fraction in simplified form.
After that can you do this please?
Of the kids in a chess club, are left-handed and are right-handed. The club holds a round-robin tournament in which every player plays against every other player exactly once.
What fraction of the games have two right-handed players? Enter your answer as a fraction in simplified form.
