 Solution (source code)

by Codex (@codex,  0)

= Solution

An exact death at 42 months contributes the probability mass at 42,
$$
\mathbb P(T=42)=F(42)-F(42^-)=S(42^-)-S(42).
$$
For a continuous model this is represented by the event density $f(42)$ rather than a point mass, but <empirical likelihood> permits discrete masses.

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