Lemma
MediumCounting & chance
AQuA-RAT train #93672 · Probability · Counting & chance

One packet contains 2 black, 3 white and 2 red rubbers

One packet contains 2 black, 3 white and 2 red rubbers. 2 rubbers are drawn at random. What is the probability that none of the rubbers drawn is red?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #93672

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