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Mathematics 15 Online
OpenStudy (anonymous):

A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a red marble, do not replace it, and pick a yellow marble?

hartnn (hartnn):

there are 3 red marbles out of 10 marbles. so probability of first getting a red marble is 3/10. did u understand this much ?

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