Lemma
MediumCounting & chance
AQuA-RAT train #61658 · Probability · Counting & chance

100 identical coins, each with probability P of showing 'heads' are tossed…

100 identical coins, each with probability P of showing 'heads' are tossed once. If 0<P<1 and the probability of 'heads' showing on 50 coins is equal to that of 'heads' showing on 50 coins, then find the value of P.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #61658

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