12.(ii) A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8 (see Fig. 15. 5 ), and these are equally likely outcomes. What is the probability that it will point at an odd number?
Total posible outcomes = {1,2,3,4,5,6,7,8}
Number of possible outcomes = 8
Let E be the event of pointing at an odd number.
Total number of odd numbers = n({1,3,5,7}) = 4
Therefore, the probability of getting an odd number is