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-Chapter 2: Let A, B and C be non-disjoint events consisting of elements from the sample space Ω. Using only the operators for union (U), intersection (n), difference () and complement (C) as well as the letters A, B and C write down expressions for events A, B and C where 1. At least one event is true. 2. Only the event A is true. 3. A and B are true but C is not 4. All events are true. 5. None of the events are true. Recall: The difference operator A \ B is equivalent to the events in A but not B: A\B AnBc.

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牛) All eNen45 ore -true 는 PCA BNC) s) suone of the even

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