Câu 6: C1000-059: IBM AI Enterprise Workflow V1 Data Science Specialist

Which statement is true in the context of evaluating metrics for machine learning algorithms?

1. A. A random classifier has AUC (the area under ROC curve) of 0.5
2. B. Using only one evaluation metric is sufficient — đáp án hiện tại
3. C. The F-score is always equal to precision
4. D. Recall of 1 (100%) is always a good result