Imagine, you are solving a classification problems with highly imbalanced class. The majority class is observed 99% of times in the training data. Your model has 99% accuracy after taking the predictions on test data. Which of the following is true in such a case?1. Accuracy metric is not a good idea for imbalanced class problems.2.Accuracy metric is a good idea for imbalanced class problems.3.Precision and recall metrics are good for imbalanced class problems.4.Precision and recall metrics aren t good for imbalanced class problems.

• A. 1 and 3
• B. 1 and 4
• C. 2 and 3
• D. 2 and 4