A bag contains 3 red balls and 5 black balls. A ball is drawn at random fret the bag. What is the probability that the ball drawn is (i) red? (ii) not red?

Answer

(i)`(1)/(8)`(ii)`(3)/(8)`(iii)`(3)/(8)`(iv)`(7)/(8)`(v)`(1)/(2)`(vi)`(7)/(8)`