S Summer New member Apr 2, 2010 #1 if you have 7 yellow, 6 blue, 9 red, and 3 green ribbions in a drawer and once a ribbion is slected, it is not replaced so what is P(2 red ribbions)
if you have 7 yellow, 6 blue, 9 red, and 3 green ribbions in a drawer and once a ribbion is slected, it is not replaced so what is P(2 red ribbions)
