Research Workbench

Exponential waiting probability

Translate a constant event rate into a waiting-time probability.

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Use comma-separated finite numbers on two lines. Magnitudes must be at most 1e9 and at least 1e-12, or zero.

The starting values are hypothetical. Results update as you edit. Use aggregate or synthetic inputs only.

Calculation results

Cumulative hazard
0.6
Event by time
0.45118836
Survival to time
0.54881164
Mean wait
5

How to interpret the output

Assumes a constant rate and a nonnegative duration. Uses the exponential waiting-time model. No parameter uncertainty or competing events are included. Source checked 11 November 2026.

Method reference

Read the worked guide and interpretation examples →