posted by Sabrina on .
Suzy has a bag containing 5 red marbles, 2 green ones, 4 white ones, and 3 purple ones. She grabs 9 of them. Find the probability that she does not have all the green ones. Express the answer as a fraction in lowest terms.
Find the prob of getting both green ones
so prob(not all green) = 1- 792/2002