Past exam of the mathematics course of the University of Cambridge 2026 iii Paper 207 4 c Solution Created 2026-09-24 Updated 2026-09-24
The first two mechanisms are standard independent, noninformative censoring. The third relabels the event time itself and therefore is not independent censoring for the original latent event time; it is more naturally interpreted as assigning a cause in a competing risks model. The detailed calculations follow in the three subparts.