问题
选择题
掷一枚普通的骰子,那么下列事件中是随机事件的为( )
A.点数小于1
B.点数大于1
C.点数小于7
D.点数大于7
答案
A、是不可能事件,故选项错误;
B、是随机事件,故选项正确;
C、必然事件,故选项错误;
D、是不可能事件,故选项错误.
故选B.
掷一枚普通的骰子,那么下列事件中是随机事件的为( )
A.点数小于1
B.点数大于1
C.点数小于7
D.点数大于7
A、是不可能事件,故选项错误;
B、是随机事件,故选项正确;
C、必然事件,故选项错误;
D、是不可能事件,故选项错误.
故选B.
情景交际。 | |
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