Over a very large number of trials, the probability of an event______is equal to

游客2025-03-29 4

问题 Over a very large number of trials, the probability of an event______is equal to the probability that it will not occur.

选项 A、occurring
B、occurred
C、occurs
D、occur

答案 A

解析分词做后置定语修饰“an event”，由于表主动，应用现在分词，而不用过去分词。因此，A项符合题意。

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