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Mathematics, 20.10.2019 10:30 tdbstonefamliy

Twelve blocks are prepared, so 4 are red , 4 are white, and 4 are blue. what is the probability of picking a green block. what is the probability of not picking a red block

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Twelve blocks are prepared, so 4 are red , 4 are white, and 4 are blue. what is the probability of p...

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