Анализ игры Oelm-KillerVampire

Now, the question is - how many iterations do you need to perform to ensure your answer is 99% accurate?

It depends – you could draw 21 cards, for example, all containing only 1s, and then everything would become clear. But it's also possible that this 21st card could contain 10 zeros and 11 ones, in which case it wouldn't be clear...