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2926Bernoulli Offspring Is Almost Surely Extinct Unless DeterministicSuppose each individual has one child with probability p and zero children with probability 1-p. What is the extinction probability?概率简单derivation未尝试面试订阅2927Poisson Offspring: When Is Survival Possible?If the offspring distribution is Poisson ( ), write the extinction equation and state when the survival probability is positive.概率中等derivation未尝试面试订阅2938A Supercritical Cubic with a Clean RootEach individual has 0 children with probability 1/2 and 3 children with probability 1/2. Starting from one ancestor, compute the extinction probability.概率困难derivation未尝试面试订阅2939Another Supercritical Two-Point LawEach individual has 0 children with probability 0.4 and 2 children with probability 0.6. Compute the extinction probability.概率中等derivation未尝试面试订阅