A bag contains 9 marbles: 4 are green, 2 are red, and 3 are blue. Laura 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 red? Write your answer as a fraction in simplest form.
1 answer:
P (red) = 2/9
P (red 2nd draw) = 1/8
take 2/9 × 1/8 = 2/72 = 1/36 - Final Answer
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