2024年5月北美B卷 · 第 1 题

2024年5月北美B卷 · 原库模块 1 · Q1 原库参考解析

A total of 50 people attended a conference and were offered 4 types of entrees. The table shows the number of people who chose each type of entree.
 
If one of these people is selected at random, what is the probability of selecting a person who chose a vegetarian entree?