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Dillon has a bag that contains 6 red, 7 blue, 5 green, and 12 black marbles. If he reaches in with one hand and pulls out a marble and replaces it 150 times, how many times would you expect him to pull
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Dillon has a bag that contains 6 red, 7 blue, 5 green, and 12 black marbles. If he reaches in with one hand and pulls out a marble and replaces it 150 times, how many times would you expect him to pull out a blue marble?

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