= lambdae^(-lambdax){1-sum_(k=1)^(h-1)[((lambdax)^(k-1))/((k-1)!)-((lambdax)^k)/(k!)]}
(10)
= lambdae^(-lambdax){1-[1-((lambdax)^(h-1))/((h-1)!)]}
睇吾明!!!!!!!!!!
收錄日期: 2021-04-18 13:55:18
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20151017084922AAQn6EM