Let $X_1, X_2, X_3, \, \dots \overset{d}{=} \text{Bernoulli}(\theta)$ each be a D207: Bernoulli random boolean number such that

(i)	$X_1, X_2, X_3, \, \dots$ is an D2713: Independent random collection

A D5216: Random natural number $B \in \text{Random}(\mathbb{N})$ is a binomial random natural number with parameters $N \in \mathbb{N}$ and $\theta$ if and only if \begin{equation} B \overset{d}{=} \sum_{n = 1}^N X_n \end{equation}