SOLUTION: A jar contains 5 red marbles and 15 black marbles. Two marbles are drawn without replacement from the container. What is the probability that both of the marbles are red?

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Question 587989: A jar contains 5 red marbles and 15 black marbles. Two marbles are drawn without replacement from the container. What is the probability that both of the marbles are red?
Answer by Alan3354(69443) About Me  (Show Source):
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A jar contains 5 red marbles and 15 black marbles. Two marbles are drawn without replacement from the container. What is the probability that both of the marbles are red?
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The 1st pick is 5/20, the 2nd is 4/19
(5/20)*(4/19) = 1/19