[問題] 聯合分佈
consider a bernoulli process with parameter p and define
X = time to first sucess
Y = 1 if the first two trials have the same outcome and 0 if they have
different outcomes
Z = time to first failure
find the joint pdf fct for (X,Y,Z) and the joint distribution of (X,Z)given
Y = y for y = 0 and 1
X 和Z 都是以時間為單位的變數 所以應該要轉成 exp
所以另外設n 使得 lambda = np
對於X和Z 的定義域 我想的是x軸正向 聯集 z軸正向
Y則是等於0 聯集1
接下來寫分佈就覺得就覺得遇到瓶頸了...
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