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【多选题】
设随机变量X,Y,Z相互独立，X~U(-1, 1), Y~U(0, 2), Z~B(1,0.5), W=XZ+Y(1-Z), 则以下选项正确的有
A.
B.
C.
当 0< w <1 时 , W 的分布函数
D.
当 { Z =0} 时， W 的条件分布为 (0,2) 区间上的均匀分布 .
E.
F.
G.
当 -1< w <0 时 , W 的分布函数
H.
当 { Z =1} 时， W 的条件分布为 (0,2) 区间上的均匀分布
I.
W 与 Z 不相关
J.
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参考答案：
举一反三
【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases【C1】______the trial of Rosemary West. In a significant【C2】______of legal controls over ...
A.
as to
B.
for instance
C.
in particular
D.
such as
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【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases【21】the trial of Rosemary West. In a significant【22】of legal controls over the press, L...
A.
as to
B.
for instance
C.
in particular
D.
such as
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【判断题】盘存账户的特点是有实物资产存在，并有期末余额。(    )
A.
正确
B.
错误
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【判断题】条形基础底板在两向受力钢筋交接处的网状部位,分布钢筋与同向受力钢筋的构造搭接长度为150mm
A.
正确
B.
错误
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【单选题】条形基础底板在两向受力钢筋交接处的网状部位,分布钢筋与同向受力钢筋的构造搭接长度为( )。
A.
75mm
B.
100mm
C.
150mm
D.
2c
查看完整题目与答案
【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases【C1】______the trial of Rosemary West. In a significant【C2】______of legal controls over ...
A.
as to
B.
for instance
C.
in particular
D.
such as
查看完整题目与答案
【判断题】条形基础中，在两向受力钢筋交接处的网状部位，分布钢筋与同向受力钢筋的构造搭接长度为150mm。
A.
正确
B.
错误
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【单选题】条形基础十字交接基础底板，在两向受力钢筋交接处的网状部位，分布筋与同向受力钢筋搭接长度为（　　）
A.
15d
B.
150
C.
10d
D.
12d
E.
LaE
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【判断题】盘存账户的特点是有实物资产存在,并有期末余额的账户。
A.
正确
B.
错误
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【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent eases 【C1】______ the trial of Rosemary West. In a significant 【C2】______ of legal controls o...
A.
such as
B.
in particular
C.
for instance
D.
as regards
查看完整题目与答案
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【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases【C1】______the trial of Rosemary West. In a significant【C2】______of legal controls over ...
A.
as to
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for instance
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【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases【21】the trial of Rosemary West. In a significant【22】of legal controls over the press, L...
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【判断题】盘存账户的特点是有实物资产存在，并有期末余额。(    )
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B.
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【判断题】条形基础底板在两向受力钢筋交接处的网状部位,分布钢筋与同向受力钢筋的构造搭接长度为150mm
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【单选题】条形基础底板在两向受力钢筋交接处的网状部位,分布钢筋与同向受力钢筋的构造搭接长度为( )。
A.
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B.
100mm
C.
150mm
D.
2c
查看完整题目与答案
【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent cases【C1】______the trial of Rosemary West. In a significant【C2】______of legal controls over ...
A.
as to
B.
for instance
C.
in particular
D.
such as
查看完整题目与答案
【判断题】条形基础中，在两向受力钢筋交接处的网状部位，分布钢筋与同向受力钢筋的构造搭接长度为150mm。
A.
正确
B.
错误
查看完整题目与答案
【单选题】条形基础十字交接基础底板，在两向受力钢筋交接处的网状部位，分布筋与同向受力钢筋搭接长度为（　　）
A.
15d
B.
150
C.
10d
D.
12d
E.
LaE
查看完整题目与答案
【判断题】盘存账户的特点是有实物资产存在,并有期末余额的账户。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The government is to ban payments to witnesses by newspapers seeking to buy up people involved in prominent eases 【C1】______ the trial of Rosemary West. In a significant 【C2】______ of legal controls o...
A.
such as
B.
in particular
C.
for instance
D.
as regards
查看完整题目与答案
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