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ZX-40B9A6FB0ABluebook试题6 · 第 15 题
Bluebook试题6 · 原库模块 3 · Q15 原库参考解析
At a movie theater, there are a total of 350 customers. Each customer is located in either theater A, theater B, or theater C. If one of these customers is selected at random, the probability of selecting a customer who is located in theater A is 0.48, and the probability of selecting a customer who is located in theater B is 0.24. How many customers are located in theater C?
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容易忽略的一步
