Lemma
MediumCounting & chance
AQuA-RAT train #44738 · Probability · Counting & chance

A searchlight on top of the watch-tower makes 1 revolutions per minute

A searchlight on top of the watch-tower makes 1 revolutions per minute. What is the probability that a man appearing near the tower will stay in the dark for at least 20 seconds?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #44738

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