Problem bank
Problem 19 of 333MediumProbabilityP019
Poisson process superposition
Buses arrive as a Poisson process with rate 3/hour. Trains arrive independently as a Poisson process with rate 2/hour. Given that exactly 6 vehicles arrived in the next hour, what is the probability exactly 4 are buses?
See the hint and solution with a free account
Every problem on Quant Engine is free, with a hint and a full worked solution. Making an account takes 30 seconds and no card. Then you can see them and track what you have solved.