Q12 of 128 Page 13

A bag contains 3 red balls, 5 black balls and 4 white balls. A balls is drawn at random from the bag. What is the probability that the ball drawn is:

(i) white?


(ii) red?


(iii) black?


(iv) not red?

Total number of possible outcomes, n(S) = 12 {3 red balls, 5 black balls and 4 white balls)

(i) n(E) = 4



(ii) n(E) = 3



(iii) n(E) = 5



(iv) n(E) = 9



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