4. one of the box with glass beads the same size 13 red ball 6 ball 4 white balls out of a yellow glass ball 2 ball comes from a handful of random probability of different glass beads equals sexual intercourse?
4 a box with plexiglass the same size 13 red balls, 6 balls, 4 white balls randomly picked out of the yellow ball to the probability that two marbles are different colors as much.