Question

A bag -contains 6 red, 5:-black and 4 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is (i) white (ii) red (iii) not black (iv) red or white

Answer 1

P(white)=4/15
P(red)=6/15
P(not black)=10/15=2/3
P(not red or white)=5/15=1/3