An urn contains 25 balls of which 10 balls are red and the remaining green. A ball is drawn at random from the urn, the colour is noted and the ball is replaced. If 6 balls are drawn in this way, find the probability that:
(i)
All the balls are red.
(ii)
Not more than 2 balls are green.
(iii)
Number of red balls and green balls are equal.
No answer yet.