Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2022-part-06 — 196 problems (EN–VI) Question 162

Math Olympiad Vault · MathNet 2022-part-06 — 196 problems (EN–VI)

Question 162

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 $\frac{1}{8}$?