北语网院21秋《概率论与数理统计》作业_2题目
21秋《概率论与数理统计》作业_21.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2018/0412/1523495980966078583.png" title="1523495980966078583.png" alt="0.png"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:——C——
2.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/523.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:——B——
3.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/546.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:——D——
4.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/544.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
5.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/551.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
6.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/562.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
7.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/539.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
8.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/537.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
9.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/497.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
10.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/524.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
11.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/505.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
12.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/543.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
13.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/482.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
14.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/512.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
15.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/484.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
16.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494947004768047022.png" title="1494947004768047022.png" alt="图片.png"/>
A.对
B.错
答:————
17.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494947894379053895.png" title="1494947894379053895.png" alt="图片.png"/>
A.对
B.错
答:————
18.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494889264648080794.png" title="1494889264648080794.png" alt="图片.png"/>
A.对
B.错
答:————
19.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494921235090002826.png" title="1494921235090002826.png" alt="图片.png"/>
A.对
B.错
答:————
20.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0517/1494957091287001128.png" title="1494957091287001128.png" alt="图片.png"/>
A.对
B.错
答:————
21.[判断题] 设随机变量X和Y独立同分布,记U=X-Y,V=X +Y ,则随机变量U与V也独立( )
A.对
B.错
答:————
22.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494894072633064041.png" title="1494894072633064041.png" alt="图片.png"/>
A.对
B.错
答:————
23.[判断题] 设随机变量X和Y独立同分布,记U=X-Y,V=X +Y ,则随机变量U与V也不独立。
A.对
B.错
答:————
24.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494895213276024301.png" title="1494895213276024301.png" alt="图片.png"/>
A.对
B.错
答:————
25.[判断题] <img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0517/1494957017787079777.png" title="1494957017787079777.png" alt="图片.png"/>
A.对
B.错
答:————
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