HMMT 二月 2000 · POW 赛 · 第 8 题
HMMT February 2000 — POW Round — Problem 8
题目详情
英文原题
- An ele tion tak es pla e b et w een t w o andidates. Candidate A wins b y a v ote of 1032
to 971. If the v otes are oun ted one at a time and in a random order, determine theprobabilit y that the winner w as nev er b ehind at an y p oin t in the oun ting.
100 100 100 100
1 1 1
解析
英文解析
- FIX????????? 1 =
1033 1033
100 100 100
101 101 101 101