Lemma
MediumCounting & chance
AQuA-RAT train #29429 · Probability · Counting & chance

A bag contains 20 red and 30 white balls

A bag contains 20 red and 30 white balls. One ball is drawn at random. What is the probability that the ball drawn is red?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #29429

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