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HMMT 十一月 2017 · 冲刺赛 · 第 36 题

HMMT November 2017 — Guts Round — Problem 36

专题
Discrete Math / 离散数学
难度
L3
来源
HMMT

题目详情

  1. [ 30 ] A box contains twelve balls, each of a different color. Every minute, Randall randomly draws a ball from the box, notes its color, and then returns it to the box. Consider the following two conditions:
解析
  1. [ 30 ] A box contains twelve balls, each of a different color. Every minute, Randall randomly draws a ball from the box, notes its color, and then returns it to the box. Consider the following two conditions: