Evidence ceiling E3Proof boundary
SITE 62 · UNCERTAINTY COMPOSITION
Composed measurements inherit uncertainty; they do not erase it.
The reference engine supports conservative interval arithmetic for sum, weighted sum and product. If the resulting interval crosses the governing threshold, the outcome remains INDETERMINATE.
Reference composition
INDETERMINATE
A nominal aggregate above threshold is insufficient when the complete uncertainty interval crosses the threshold.
- NOMINAL
- 102
- LOW
- 97
- HIGH
- 107
- THRESHOLD
- 100