HMMT November 2022 T4
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- Answer
You start with a single piece of chalk of length 1. Every second, you choose a piece of chalk that you have uniformly at random and break it in half. You continue this until you have 8 pieces of chalk. What is the probability that they all have length ?
Dataset text NuminaMath olympiads. Quoted with source.
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\frac{1}{63}
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