The two draws are independent.
So the probability of getting a yellow in both bags is the product of the probability of getting a yellow in each bag.
P1(Y)=3/12
P2(Y)=5/15
So
P(Y,Y)=P1(Y)*P2(Y)
One bag contains 5 red marbles, 4 blue marbles, and 3 yellow marbles, and a second bag contains 4 red marbles, 6 blue marbles, and 5 yellow marbles. If Lydia randomly draws one marble from each bag, what is the probability that they are both not yellow?
5 answers
ryrrr7o
1/12
The question asks the opposite... not yellow.
so 9/12 * 10/15 = .75 * .666 = 50%
so 9/12 * 10/15 = .75 * .666 = 50%
Andrew has it right.