3017概率简单derivationmedium

Exchange A Sends the Next Tick First

题目

Exchange a ticks and Exchange B ticks arrive as independent Poisson processes with rates $\lambda_A=9$ and $\lambda_B=3$ per hour. What is the probability that the next arrival in the merged stream comes from stream A?

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你的答案

数值

probability

只填写数值本身，单位 probability 已固定在输入框右侧。