フリー問題

問題文

Which sequence reflects the lifecycle of a machine learning solution?

選択肢

1. Define the business problem, deploy a model, and leave it in place, because retraining would change results the business has already approved.
2. Define the business problem, prepare data, train and evaluate the model, deploy it, then monitor and retrain as conditions change.
3. Prepare data, deploy the model, then train it on live production traffic.
4. Train the model, define the business problem, deploy it, then stop once accuracy is acceptable.