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HMMT 二月 2017 · 冲刺赛 · 第 1 题

HMMT February 2017 — Guts Round — Problem 1

专题
Contest Math / 竞赛数学
难度
L3
来源
HMMT

题目详情

英文原题

  1. [ 4 ] A random number generator will always output 7. Sam uses this random number generator once.
    What is the expected value of the output?
解析

英文解析

  1. [ 4 ] A random number generator will always output 7. Sam uses this random number generator once.
    What is the expected value of the output?
    Proposed by: Sam Korsky
    Answer: 7
    The only output is 7, so the expected value is 7.