A bag contains 9 marbles: 5 are green, 2 are red, and 2 are blue. Kareem chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that both marbles he chooses are green? Write your answer as a fraction in simplest form.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Solve for p: 21 , = 3/4 pit's fraction problem