Your question is Evaluate Model Effectiveness. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You have a classification model in production, and the team wants to know whether it is actually effective. The model is being used to support a business decision, and you have standard evaluation metrics from a held-out test set.
How would you evaluate the effectiveness of a machine learning model?