(a(i))[1]
Show that a black ball is more likely to be selected from bag A than from bag B.
(a(ii))[3]
Find the probability that the two balls are of different colours.
(b(i))[2]
Find the probability that all three are black.
(b(ii))[1]
Find the probability that all three are white.
(c)[3]
Find the probability that the ball taken from bag B is a different colour from the ball taken from bag A.