← 概率与条件概率 · 题库挑战

ONE QUESTION, ONE STEP

ZX-FE62ADB151

2024年5月A卷 · 第 7 题

2024年5月A卷 · 原库模块 2 · Q7 原库参考解析

The table shows the distribution of people in a certain city by age group.
题目图表
If a person in this city is selected at random, which of the following is closest to the probability of selecting a person who is greater than 65 years old, given that the person is at least 18 years old? 
选择答案