AQuA-RAT train #37459 · Probability · Counting & chance

There are 12 slate rocks, 16 pumice rocks, and 8 granite rocks…

There are 12 slate rocks, 16 pumice rocks, and 8 granite rocks randomly distributed in a certain field. If 2 rocks are chosen at random and without replacement, what is the probability that both rocks will be slate rocks?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #37459

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