Hi, I have a simple probability problem that I need help with. <BR><BR>I have two groups of marbles, blue and red, 4 each, for a total of 8. I am trying to figure out what the probability is of ...

The problem Litt posted was: 'Suppose you have a urn containing 100 balls, n of which are red and 100-n are green, where n is uniformly distributed between 0 and 100. You randomly draw a ball from the ...