Controlling for other factors, the arrival of Globo was associated with a decline of 0.6 percentage points in the probability of a woman giving birth in a given year.

在控制其它因素影响的情况下，Globo电视使得当年妇女的生育概率降低了0.6个百分点。

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By using the Quasi-Birth-Death process and the matrix geometric solution, we obtain the equilibrium conditions of the system and the steady-state probability distribution.

利用拟生灭过程与矩阵几何解的方法求出了系统的稳态平衡条件和稳态概率分布。

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We also give the probability distribution formula of hitting time about birth-death processes.

同时给出了关于生灭过程的击中时的概率分布公式。

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But mothers with severe morning sickness have a 55% probability of giving birth to a daughter.

BBC: Royal baby: What are the odds of twins?