Lemma
MediumCounting & chance
AQuA-RAT train #18601 · Probability · Counting & chance

A dog breeder currently has 9 breeding dogs

A dog breeder currently has 9 breeding dogs. 6 of the dogs have exactly 1 littermate, and 3 of the dogs have exactly 2 littermates. If 2 dogs are selected at random, what is the probability W that both selected dogs are NOT littermates?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #18601

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