DA0-002 Data Analysis Practice Question
In logistic regression, the output is a probability between 0 and 1. If the predicted probability for a customer churning is 0.7 and the decision threshold is 0.5, what is the predicted class?
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
✓
Churn (class 1)
Since 0.7 > 0.5, the predicted class is churn (usually coded as 1).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Not churn (class 0)
Why it's wrong here
Probability below threshold would predict class 0.
- ✓
Churn (class 1)
Why this is correct
Probability above threshold predicts the positive class.
- ✗
Both classes equally likely
Why it's wrong here
Probability is 0.7, not 0.5.
- ✗
Uncertain, need more data
Why it's wrong here
The threshold provides a decision rule.
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