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搜题
【简答题】
设随机变量X的分布函数为 试写出X的分布列.
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举一反三
【判断题】The author of a narrative essay tells or narrates a story.
A.
正确
B.
错误
【单选题】A _____________ process essay tells the reader how to do or make something.
A.
directional
B.
informational
C.
informative
【单选题】This essay tells about the crime wave in the country.
A.
Weak
B.
Good
C.
Acceptable
【单选题】This essay tells about the crime wave in the country.
A.
Weak
B.
Vague
C.
Acceptable
D.
Good
【简答题】设计程序[A1B1B0B0B1B0A0]。
【单选题】Many of the leaders have become on power and money.
A.
roost
B.
hooked
C.
shook
D.
Took
【判断题】A directionalprocess essay tells the reader how to do or make something.
A.
正确
B.
错误
【判断题】用定距尺度和定比尺度测量获得的结果被称为参数变量。
A.
正确
B.
错误
【单选题】This essay tells about the crime wave in the country.
A.
Vague
B.
Weak
C.
Good
D.
Acceptable
【简答题】设a<0,b>0,不等式a< 1 x <b的解集为(  ) A.( 1 a ,0)∪(0, 1 b ) B.(- 1 b ,- 1 a ) C.(- 1 b ,0)∪(0,- 1 a ) D.(-∞, 1 a )∪( 1 b ,+∞)