《概率论与数理统计》北语网院19秋在线答案
19秋《概率论与数理统计》作业_1奥鹏作业答案可以联系QQ 761296021
1.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/508.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
2.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/583.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
3.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/529.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
4.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/554.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
5.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/472.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
6.[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)
7.[单选题]袋中有50个乒乓球，其中20个黄的，30个白的，现在两个人不放回地依次从袋中随机各取一球。则第二人取到黄球的概率是
A.1/5
B.2/5
C.3/5
D.4/5
8.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/593.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
9.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/517.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
10.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/506.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
11.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2018/0412/1523496470435074407.png" title="1523496470435074407.png" alt="5.png"/>
A.(A)
B.(B)
C.(C)
D.(D)
12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/474.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
13.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/479.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
14.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/578.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
15.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/495.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
16.[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
17.[判断题]设随机变量X服从指数分布，则随机变量Y＝min（X，2）的分布函数至少有两个间断点
A.对
B.错
18.[判断题]对任意事件A和B，必有P(AB)=P(A)P(B)
A.对
B.错
19.[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
20.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494889634858051013.png" title="1494889634858051013.png" alt="图片.png"/>
A.对 无忧答案网q1647861640
B.错
21.[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
22.[判断题]设随机变量X服从指数分布，则随机变量Y＝min（X，2）的分布函数恰好有一个间断点（）
A.对
B.错
23.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494898713568073429.png" title="1494898713568073429.png" alt="图片.png"/>
A.对
B.错
24.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494889556870060885.png" title="1494889556870060885.png" alt="图片.png"/>
A.对
B.错
25.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494889093059059843.png" title="1494889093059059843.png" alt="图片.png"/>
A.对
B.错
19秋《概率论与数理统计》作业_2
1.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/568.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
2.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/508.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
3.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/491.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
4.[单选题]一批产品共10件，其中有2件次品，从这批产品中任取3件，则取出的3件中恰有一件次品的概率为
A.1/60
B.7/45
C.1/5
D.7/15
5.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/544.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
6.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/487.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
7.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/511.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
8.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/566.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
9.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/593.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
10.[单选题]袋中有50个乒乓球，其中20个黄的，30个白的，现在两个人不放回地依次从袋中随机各取一球。则第二人取到黄球的概率是
A.1/5
B.2/5
C.3/5
D.4/5
11.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/587.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/582.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
13.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/505.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
14.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/567.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
15.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/484.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
16.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/558.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
17.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2018/0412/1523496875796072846.png" title="1523496875796072846.png" alt="5.png"/>
A.(A)
B.(B)
C.(C)
D.(D)
18.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/501.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
19.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/581.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
20.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/521.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
21.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494917292331070532.png" title="1494917292331070532.png" alt="图片.png"/>
A.对
B.错
22.[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
23.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494894007352057592.png" title="1494894007352057592.png" alt="图片.png"/>
A.对
B.错
24.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494898713568073429.png" title="1494898713568073429.png" alt="图片.png"/>
A.对
B.错
25.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494947850319001988.png" title="1494947850319001988.png" alt="图片.png"/>
A.对
B.错
19秋《概率论与数理统计》作业_3
1.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/515.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
2.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/537.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
3.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/531.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
4.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/519.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
5.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/596.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
6.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2019/1010/1570696049952064111.jpg" title="1570696049952064111.jpg" alt="509.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
7.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/498.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
8.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/484.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
9.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/558.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
10.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/525.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
11.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/524.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/492.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
13.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/539.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
14.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/580.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
15.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/550.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
16.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494923761436031121.png" title="1494923761436031121.png" alt="图片.png"/>
A.对
B.错
17.[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
18.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494893969538095066.png" title="1494893969538095066.png" alt="图片.png"/>
A.对
B.错
19.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494894007352057592.png" title="1494894007352057592.png" alt="图片.png"/>
A.对
B.错
20.[判断题]若X服从二项分布b(n,p),则EX=npq ( )
A.对
B.错
21.[判断题]设A、B是Ω中的随机事件,则(A∪B)-B=A
A.对
B.错
22.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494926882706045546.png" title="1494926882706045546.png" alt="图片.png"/>
A.对
B.错
23.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494898760922057821.png" title="1494898760922057821.png" alt="图片.png"/>
A.对
B.错
24.[判断题]对任意事件A与B，则有P(A∪B)=P(A)+P(B) （ ）
A.对
B.错
25.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494889775269023989.png" title="1494889775269023989.png" alt="图片.png"/>
A.对
B.错
19秋《概率论与数理统计》作业_4
1.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2019/1010/1570696049952064111.jpg" title="1570696049952064111.jpg" alt="509.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
2.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/515.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
3.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/516.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
4.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/485.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
5.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2019/1010/1570696778074011175.png" title="1570696778074011175.png" alt="1523497714705072150.png"/>
A.(A)
B.(B)
C.(C)
D.(D)
6.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/486.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
7.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/579.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
8.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/543.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
9.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/502.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
10.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/482.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
11.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/519.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/550.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
13.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/476.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
14.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/493.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
15.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/490.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
16.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/545.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
17.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/592.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
18.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/533.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
19.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/478.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
20.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/596.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
21.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494946838114042631.png" title="1494946838114042631.png" alt="图片.png"/>
A.对
B.错
22.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494898793892040595.png" title="1494898793892040595.png" alt="图片.png"/>
A.对
B.错
23.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494889093059059843.png" title="1494889093059059843.png" alt="图片.png"/>
A.对
B.错
24.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494893969538095066.png" title="1494893969538095066.png" alt="图片.png"/>
A.对
B.错
25.[判断题]<img src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0516/1494917395373041110.png" title="1494917395373041110.png" alt="图片.png"/>
A.对
B.错
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