The Hardest Interview 2 Direct

Set (\Delta U = 0) → threshold (p_\textthresh = 2\lambda).

[ U = \frac\text# boys\text# girls - \lambda \cdot \text(total births) ] the hardest interview 2

For large (N) families, this is approximately deterministic: Set (\Delta U = 0) → threshold (p_\textthresh = 2\lambda)