单选题
Two events are said to be independent if the occurrence of one event:
A、
means that the second event cannot occur.
B、
means that the second event is certain to occur.
C、
does not affect the probability of the occurrence of the other event.
【正确答案】
C
【答案解析】
[解析] 根据概率理论，如果一个事件的发生与否并不影响另一事件发生的概率，则称这两个事件相互独立。
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