求助英文统计学题Let X represent the number of visits to a GP over the last 12 months.From past recordx 0 1 2 3 5P(X=x) 0.5 0.2 0.1 0.1 0.1What is the expected number of visits given that a patient has had at least one visit?

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/29 04:51:39
求助英文统计学题Let X represent the number of visits to a GP over the last 12 months.From past recordx 0 1 2 3 5P(X=x) 0.5 0.2 0.1 0.1 0.1What is the expected number of visits given that a patient has had at least one visit?
xRn@=Bqru¶X e#SHBW Q&QkF݊_tnHU907ou .5dQȷ96QXӱu׍ #%jʆlT+Hm[a"^@ U1F60ozG*b%U[i!.^%F[4q֯&V\ Z2.5fmU'6܃f8َ{ˏV.o߻?"j\N= ju h9I@@甼fTHO .h>vɇ/11r."<}--tv+]r]8ނǷtI6` N.U1" io!p׊g 9+

求助英文统计学题Let X represent the number of visits to a GP over the last 12 months.From past recordx 0 1 2 3 5P(X=x) 0.5 0.2 0.1 0.1 0.1What is the expected number of visits given that a patient has had at least one visit?
求助英文统计学题
Let X represent the number of visits to a GP over the last 12 months.From past record
x 0 1 2 3 5
P(X=x) 0.5 0.2 0.1 0.1 0.1
What is the expected number of visits given that a patient has had at least one visit?

求助英文统计学题Let X represent the number of visits to a GP over the last 12 months.From past recordx 0 1 2 3 5P(X=x) 0.5 0.2 0.1 0.1 0.1What is the expected number of visits given that a patient has had at least one visit?
我有个小问题,你是看不懂题目还是看懂了不会做.
我先把题目给你翻译一下吧
让X表示在过去12个月内访问GP的访问者的个数,根据过去的经验数据,我们有
X=0,1,2,3,5的时候的对应的概率
问题问的是,在人数至少为1的情况下,访问者数量的条件期望是多少?
希望我翻译清楚了.

E(X)=p(x=i)*x=0*0.5+1*0.2+2*0.1+3*0.1+5*0.1=1.2

求助英文统计学题Let X represent the number of visits to a GP over the last 12 months.From past recordx 0 1 2 3 5P(X=x) 0.5 0.2 0.1 0.1 0.1What is the expected number of visits given that a patient has had at least one visit? 英文统计学题 统计学抽样推断题目求助第5题,/> 统计学题 统计学原理计算题求助!在线等! “描述统计学”用英文怎么说?还有国民经济统计学等等其它统计学英文名称是什么? 统计学 的题, 统计学的题 关于统计学的题, 大学统计学题 统计学填空题 统计学, 统计学 统计学 统计学. 求助/x 求助/x 统计学中的pdf与cdf英文怎么说?