Match each scenario (Column A) with the correct interpretation. 1: A model predicts all instances as positive. 2: A system flags very few positives, but most flagged cases are correct. 3: A model detects almost all actual positives but also produces many false alarms.匹配题

A

Low precision, high recall

B

High precision, low recall

C

Recall = 1, Precision = class prevalence

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