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Mathematics 12 Online
OpenStudy (katherinesmith):

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?

OpenStudy (mathstudent55):

Find the probability of each event. Then multiply the probabilities together. For the first event, you want a red marble. How many red marbles are there? How many total marbles are there? Once the red marble was picked, for the second event you want a yellow marble. How many yellow marbles are there? How many total marbles are there (after 1 red marble was taken)?

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