The uncertainty of an event is measured

题库2022-08-02 31

问题 The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that. The more uncertain an event is. The more information is required to resolve uncertainty of that event. The amount of information is measured in （）A、possibilityB、bitsC、bpsD、probability

选项 A、possibility
B、bits
C、bps
D、probability

答案 B

解析一个事件的不确定性是用它的出现概率来衡量的，而且二者是成反比的关系。事件的不确定性越高，就越是需要更多信息去解决它的不确定性。信息的数量是用比特来衡量的。

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