大二概率与数理统计
答案:1 悬赏:80 手机版
解决时间 2021-11-29 21:17
- 提问者网友:像風在裏
- 2021-11-29 10:07
大二概率与数理统计
最佳答案
- 五星知识达人网友:鱼芗
- 2021-11-29 10:19
(1)
P(A非B非C)=P(A)-P(AB)-P(AC)+P(ABC)=0.45-0.1-0.08+0.03=0.3
(2)
P(AUB)=P(A)+P(B)-P(AB)=0.35+0.45-0.1=0.7
(3)
P(A非B非C)=P(A)-P(AB)-P(AC)+P(ABC)
P(B非A非C)=P(B)-P(BC)-P(AB)+P(ABC)
P(C非A非B)=P(C)-P(BC)-P(AC)+P(ABC)
整合起来为
P(A)+P(B)+P(C)-2(P(AB)+P(BC)+P(AC))+3P(ABC)
=1.1-2*(0.23)+3*0.03
=1.1-0.46+0.09
=0.73
(4)
=P(AB非C)+P(AC非B)+P(BC非A)
=P(AB)+P(AC)+P(BC)-3P(ABC)
=0.23-0.09
=0.14
(5)
P(AUBUC)
=P(A)+P(B)+P(C)-P(AB)-P(AC)-P(BC)+P(ABC)
=1.1-0.23+0.03
=0.9
(6)
=1-0.9=0.1
P(A非B非C)=P(A)-P(AB)-P(AC)+P(ABC)=0.45-0.1-0.08+0.03=0.3
(2)
P(AUB)=P(A)+P(B)-P(AB)=0.35+0.45-0.1=0.7
(3)
P(A非B非C)=P(A)-P(AB)-P(AC)+P(ABC)
P(B非A非C)=P(B)-P(BC)-P(AB)+P(ABC)
P(C非A非B)=P(C)-P(BC)-P(AC)+P(ABC)
整合起来为
P(A)+P(B)+P(C)-2(P(AB)+P(BC)+P(AC))+3P(ABC)
=1.1-2*(0.23)+3*0.03
=1.1-0.46+0.09
=0.73
(4)
=P(AB非C)+P(AC非B)+P(BC非A)
=P(AB)+P(AC)+P(BC)-3P(ABC)
=0.23-0.09
=0.14
(5)
P(AUBUC)
=P(A)+P(B)+P(C)-P(AB)-P(AC)-P(BC)+P(ABC)
=1.1-0.23+0.03
=0.9
(6)
=1-0.9=0.1
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息,可以点下面链接进行举报!
大家都在看
推荐资讯