Question: (c) subpopulations descending from distinct individuals develop independently. If pn(t ) denotes the probability that the population consists of n individuals at time t ,
(c) subpopulations descending from distinct individuals develop independently.
If pn(t ) denotes the probability that the population consists of n individuals at time t , show that
φ(z, t) =
∞X n=0 zn pn(t )
satisfies the partial differential equation
∂φ
∂t = (λz − μ)(z − 1)
∂φ
∂z + θ(z − 1)φ.
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