2024年10月北美B卷 · 第 1 题

2024年10月北美B卷 · 原库模块 1 · Q1 原库参考解析

Each of 174 power tools can be classified as one of three types, as shown in the frequency table.

If one of the power tools is selected at random, what is the prohability of selecting a power tool of type Y?