Lemma
MediumCounting & chance
AQuA-RAT train #73354 · Probability · Counting & chance

An ant and a blind spider are on opposite corners of a…

An ant and a blind spider are on opposite corners of a cube. The ant is stationary and the spider moves at random from one corner to another along the edges only. What is the expected number of turns before the spider reaches the ant?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #73354

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