3041概率中等derivationmedium

Expected First Arrival Given Four in an Hour

题目

A Poisson process is observed on $[0,1]$ hours. Conditional on exactly 4 arrivals in that horizon, what is the expected time of the 1-th arrival?

解题计时

0:00

提交作答时记录，用于后续平均用时统计。

你的答案

数值

hour

只填写数值本身，单位 hour 已固定在输入框右侧。