2025年10月美国A卷(数易) · 第 9 题

2025年10月美国A卷(数易) · 原库模块 2 · Q9 原库参考解析

Each of 185 animals can be classified as one of three species, as shown in the frequency table.

If one of the animals is selected at random, what is the probability of selecting an animal of species Y?