4.1 A dart is thrown at the board and is likely to land on any one of the eight squares numbered 1 to 8 inclusive. A represents the event that the dart lands in square 5 or 8. B represents the event that the dart lands in square 2, 3 or 4. C represents the event that the dart lands in square 1, 2, 5 or 6.

4.1.1 Which two events are mutually exclusive? Justify your answer. (3) 4.1.2 Draw the Venn diagram for event B C. (4)