22 Use the three-class confusion matrix below to answer the question below: How many instances of class 2 in the given test set?* (2 points) Predicted class Class 1 Class 3 Class 2 7. 12 4 Class 1 Actual class Class 2 5 13 3 Class 3 8 2 2 22 9 23 21 12 All options are not correct 25