medium · GMAT Quant

**Elm Field case**

Two events have probabilities P(A)=35%, P(B)=20%, and P(Acap B)=8%.

Which conclusion is valid?

  1. At least one event must occur.
  2. The events are not mutually exclusive.
  3. The events are mutually exclusive because their probabilities are different.
  4. The events are independent because their intersection is positive.
  5. The events are complements.

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