bob wants to see which shoes he can give away at a randm pick from a jar
dependent
if he has 20 pairs of shoes and he has 10 friends, what is the probability that at least 1 freiend will get a matching pair if they do not replace the shoe after they picked it
dependent
if he has 20 pairs of shoes and he has 10 friends, what is the probability that at least 1 freiend will get a matching pair if they do not replace the shoe after they picked it and flip a heads on a coin