Consider two independent homogeneous Poisson processes 1 and 2 with respective intensities λ1 and λ2. Determine the mean value of the random number of events of process 2 (type 2-events) which occur...

Consider two independent homogeneous Poisson processes 1 and 2 with respective intensities λ1 and λ2. Determine the mean value of the random number of events of process 2 (type 2-events) which occur between any two successive events of process 1 (type 1-events).