SOLUTION: Urn A contains 5 red marbles and 3 white marbles
Urn B contains 2 red marbles and 6 white marbles
a. if a marble is drawn from each urn. What is the probability that they are bo
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Question 1157976: Urn A contains 5 red marbles and 3 white marbles
Urn B contains 2 red marbles and 6 white marbles
a. if a marble is drawn from each urn. What is the probability that they are both of the same color?
b. if two marbles are drawn from each urn, what is the probability that all four marbles are of the same color?
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!
a. if a marble is drawn from each urn. What is the probability that they are both of the same color?
(5/8 * 2/8) + (3/8 * 6/8) = 10/64 + 18/64 = 28/64 = 7/16
b. if two marbles are drawn from each urn, what is the probability that all four marbles are of the same color?
(5/8 * 4/7 * 2/8 * 1/7) + (3/8 * 2/7 * 6/8 * 5/7) = 40/3136 + 180/3136 = 220/3136 = 55/784
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