UC知道problemsof conditional pmf and conditional expected value
来源：百度知道 编辑：UC知道 时间：2024/06/15 19:43:53
2. The number of winning tickets, X, in a group of 4 tickets is given by a binomial random variable with parameter p=0.125.
(a) Let B= {“at least two of the tickets are not winning tickets”}. Find the conditional pmf of X given B.
(b)Find the conditional expected value of X, given B.
(a) Let B= {“at least two of the tickets are not winning tickets”}. Find the conditional pmf of X given B.
(b)Find the conditional expected value of X, given B.
2 。人数中奖彩票，第十，在一组4张是由二项式随机变量参数P值0.125 。
（一）设B = （ “至少两个门票不中奖彩票” ） 。找到有条件图谱的X给予湾
（二）查找条件期望值的X ，鉴于湾