I keep getting “Independent vs mutually exclusive” questions wrong in Probability. What's the trap?
treating mutually exclusive events as independent.
The usual trap: treating mutually exclusive events as independent. How to avoid it: mutually exclusive events ARE dependent — one happening rules the other out. Go back to the definition — independent events don't affect each other; mutually exclusive events cannot both happen.
Key point
Independent vs mutually exclusive
Common mistake
treating mutually exclusive events as independent.
Memory tip
mutually exclusive events ARE dependent — one happening rules the other out.
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