box A has 3 red marbels, and 2 yellow marbels. box B has 2 red marbels and 1 yellow marbel Which box has a greater chance of picking a red marbel from it?
you have a greater chance with box B.
(Red marbles/total marbles in box)
box A:
3 red marbles/5 marbles
box B:
2 red marbles/3 marbles