AWS Certified AI Practitioner (AIF-C01) · Objective 3.2
Calibrating confidence
3.2Standard
High-confidence predictions are automated.
Make confidence match actual correctness.
Choose two evaluations.
Hint 1: Focus on the requirement
Compare confidence bands with observed correctness, and use calibrated thresholds for automatic handling versus human review.
Hint 2: Key terms
Review confidence calibration and review thresholds.
Confidence calibration
Aligning predicted confidence values with the observed frequency of correct results.
Review threshold
A boundary at which a case is routed to a person instead of automated handling.
Confidence band
A range of scores grouped for measuring error and correctness.
Observed accuracy
The measured proportion of correct results in a defined sample.
× Incorrect
Compare accuracy, errors, refusals, and subgroup differences by confidence band using separate calibration data, then set automation and human-review thresholds.
Detailed explanation
A
IncorrectShowing a score removes the need for evaluation
The score itself must be validated.
B
CorrectUse separate calibration data and define automation and human-review thresholds
Confidence is safer to operationalize.
C
IncorrectA score of 0.9 automatically means 90 percent accuracy
Calibration is not established.
D
CorrectCompare accuracy, errors, refusals, and subgroup differences by confidence band
The score's meaning is tested.
Check official documentation
Compare the following points with the official documentation.
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