MLS-C01 Modeling Practice Question
Exhibit
Refer to the exhibit.
Confusion Matrix:
Predicted Positive Predicted Negative
Actual Positive 80 20
Actual Negative 10 90Refer to the exhibit. What is the recall of the model?
⚠ Common exam trap
The MLS-C01 exam often tests the distinction between recall and precision, where candidates mistakenly compute precision (TP/(TP+FP)) instead of recall, leading to option A (0.85).
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
0.80
Recall is calculated as True Positives divided by the sum of True Positives and False Negatives. From the confusion matrix, True Positives = 80 and False Negatives = 20, so recall = 80 / (80 + 20) = 0.80. Option B is correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
0.85
Why it's wrong here
That is accuracy.
- ✓
0.80
Why this is correct
Recall = 80/(80+20) = 0.80.
- ✗
0.89
Why it's wrong here
That is precision.
- ✗
0.90
Why it's wrong here
That is specificity.
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