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HMMT 二月 2001 · 冲刺赛 · 第 38 题

HMMT February 2001 — Guts Round — Problem 38

专题
Contest Math / 竞赛数学
难度
L3
来源
HMMT

题目详情

英文原题

  1. [9] The cafeteria in a certain laboratory is open from noon until 2 in the afternoonevery Monday for lunch. Two professors eat 15 minute lunches sometime between noonand 2. What is the probability that they are in the cafeteria simultaneously on any given
    Monday?
    2001 7
解析

英文解析

  1. [9] The cafeteria in a certain laboratory is open from noon until 2 in the afternoonevery Monday for lunch. Two professors eat 15 minute lunches sometime between noonand 2. What is the probability that they are in the cafeteria simultaneously on any given
    Monday?
    Solution: .15
    2001 764