An urn contains 9 balls, four of which are red and 5 of which are blue. We draw a ball out of the urn 10 times, taking care to replace the ball and shake up the urn between draws. What is the probability of drawing a red ball on exactly 3 of the 10 draws?
1) 0.250
2) 0.375
3) 0.500
4) 0.625
