AWS Certification Exam AI Practitioner (Practice Questions) set11
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If it is discovered that model performance has degraded because a particular department has an extremely small number of positive cases, what is the optimal course of action?
①Invest in methods to visualize black-box behavior.
②Add a large number of new features.
③Address class imbalance using techniques such as oversampling and class weighting.
④Focus on reducing inference latency.
⑤Generate positive data using speech synthesis.