快捷导航
扫码加微信
17春《概率论与数理统计》作业_1
一、单选题北京语言大学网络教育学院


1.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/525.jpg
2.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/479.jpg
答案C
3.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/517.jpg
4.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/553.jpg
5.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/492.jpg
6.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/533.jpg
7.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/578.jpg
8.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/477.jpg
9.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/540.jpg
10.一批产品共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
11.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/513.jpg
12.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/547.jpg
13.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/509.jpg
14.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/576.jpg
15.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/498.jpg
16.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/534.jpg
17.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/563.jpg
18.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/577.jpg
19.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/562.jpg
20.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/476.jpg
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/530.jpg
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/554.jpg
二、判断题
1.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
答案错误
2.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()
答案错误
3.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()
答案正确
17春《概率论与数理统计》作业_2
一、单选题
1.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/549.jpg
2.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/552.jpg
3.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/537.jpg
4.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/506.jpg
5.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/519.jpg
6.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/526.jpg
7.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/548.jpg
8.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/490.jpg
9.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/480.jpg
10.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/561.jpg
11.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/483.jpg
12.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/497.jpg
13.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/580.jpg
14.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/472.jpg
15.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/539.jpg
16.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/505.jpg
17.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/538.jpg
18.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
19.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/491.jpg
20.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/566.jpg
21.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/485.jpg
22.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/521.jpg
二、判断题
1.对任意事件A与B,则有P(A∪B)=P(A)+P(B)()
答案错误
2.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也相关系数为零()。
答案正确
3.对任意事件A和B,必有P(AB)=P(A)P(B)()
答案错误
17春《概率论与数理统计》作业_3
一、单选题
1.http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/544.jpg
2.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/557.JPG
3.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/486.jpg
4.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/522.jpg
5.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/565.jpg
6.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/543.jpg
7.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/482.jpg
8.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/593.jpg
9.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/503.jpg
10.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/541.jpg
11.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/527.jpg
12.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/528.jpg
13.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/587.jpg
14.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/507.jpg
15.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/514.jpg
16.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/478.jpg
17.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/546.jpg
18.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/550.jpg
19.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/591.jpg
20.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/501.jpg
21.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/473.jpg
22.
http//otsstatic.chinaedu.net/ots/blcu/eblcuimage/487.jpg
二、判断题
1.设A、B是Ω中的随机事件则(A∪B)B=A()
答案错误
2.若X服从二项分布b(np)则EX=npq()
答案错误
3.假设检验基本思想的依据是小概率事件原理()
答案正确
17春《概率论与数理统计》作业_4
一、单选题
1.北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
2.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
3.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
4.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
5.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
6.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
7.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
8.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
9.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
10.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
11.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
12.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
13.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
14.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
15.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
16.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
17.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
18.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
19.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
20.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
21.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
22.
北语网院&ltwbr&gt17春《概率论与数理统计》作业1234&ltwbr&gt满分答案
二、判断题
1.设随机变量X服从指数分布,则随机变量Y=min(X,2)的分布函数是连续函数()
答案错误
2.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()
答案错误
3.若X服从参数为λ的泊松分布,则EX=DX()
答案正确

本内容由www.openhelp100.com整理发布

共 0 个关于本帖的回复 最后回复于 2017-7-22 17:05

您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

精彩推荐

    明星用户

    QQ|Archiver|手机版|小黑屋|www.openhelp100.com ( 冀ICP备19026749号-1 )

    GMT+8, 2024-4-27 00:24