Lemma
MediumCounting & chance
AQuA-RAT train #26425 · Probability · Counting & chance

In a room filled with 7 people, 2 people have exactly 1…

In a room filled with 7 people, 2 people have exactly 1 sibling in the room and 5 people have exactly 2 siblings in the room. If two individuals are selected from the room at random, what is the probability that those two individuals are NOT siblings?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #26425

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