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【判断题】
不可能事件的概率为 0 ,且概率为 0 的事件也一定是不肯能事件 .A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The number of class intervals in a frequency distribution is usually between ___________.
A.
3 and 5
B.
7 and 9
C.
5 and 15
D.
1 and 25
【判断题】True or False: A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but no more than 15 class groups.
A.
正确
B.
错误
【判断题】A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but no more than 15 class groups.
A.
正确
B.
错误
【判断题】True or False: A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but no more than 15 class groups.
A.
正确
B.
错误
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