Question: Exercise 11.60 A birthdeath process L has birth rate and death rate . If the population has size k at time t , show
Exercise 11.60 A birth–death process L has birth rate λ and death rate μ. If the population has size k at time t , show that the subsequent length of time which elapses before there is either a birth or a death is a random variable having the exponential distribution with parameter (λ + μ)k.
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