Lemma
MediumCounting & chance
AQuA-RAT train #35141 · Probability · Counting & chance

If a certain coin is flipped, the probability that the coin will…

If a certain coin is flipped, the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land heads up on the first 4 flips but not on the last flip?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #35141

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