If you do not know whether two events are mutually exclusive, you should assume they are:
ANeat
BNot
CNew
DNear
Answer & Solution
Correct answer: B. Not
1. The safe default avoids a false claim.
2. Overlap must be ruled out by proof.
3. So assume they are not.
_Source: OpenStax Introductory Statistics 2e, Chapter 3, Probability Topics._
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