2026年6月国际D卷练习 · 第 11 题

2026年6月国际D卷练习 · 原库模块 2 · Q11 参考答案

The table shows the distribution of people in a certain city by age group.

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?