Lemma
MediumCounting & chance
AQuA-RAT train #1605 · Probability · Counting & chance

Out of 15 students in a class, 9 are wearing blue shirts…

Out of 15 students in a class, 9 are wearing blue shirts, 3 are wearing green shirts, and 3 are wearing red shirts. Four students are to be selected at random. What is the probability that at least one is wearing a green shirt?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #1605

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