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P.o.t.W. #2

■ GDC is allowed ■for SL and HL studentsThe rules for a lottery are as follows. Each lottery ticket costs $10. When a person purchases a lottery ticket they select five different numbers from 1 to 12 inclusive. For example, a set of numbers on a ticket could be the numbers 1, 4, 7, 10 and 12. When the lottery comes to an end, five different numbers from 1 to 12 are randomly chosen as the ‘winning’ set of numbers....

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