A bag contains 9 discs of which 4 are red. 3 are blue and 2 are yellow. The discs are similar in shape and size. A disc is drawn at random from the bag. Calculate the probability that it will be (i) red. (ii) yellow, (iii) blue, (iv) not blue, (v)

Explanation

(i) `4/9`
(ii) `2/9`
(iii) `1/3`
(iv) `2/3`