One bag contains three white marbles and five black marbles, and a second bag contains four white marbles and six black marbles. A person draws one marble from each bag. Find the probability that both marbles are of the same color?
21/40
1/2
3/14

Question

One bag contains three white marbles and five black marbles, and a second bag contains four white marbles and six black marbles. A person draws one marble from each bag. Find the probability that both marbles are of the same color?
21/40
1/2
3/14

phi · Answer

First, figure out the chances of getting a white marble from the first bag.
can you do that?

phi · Answer

I would figure out the ratio of white marbles to the total of all marbles in the bag.