This games is a fair game to play. Is is likely or not that you are going to pick out a brown marble or not. It is an easy game and it fun to play while you a having maths in class or if you're doing nothing and you have a computer you can go and play this game.
This game is called iTools -Probability. You have to answer the question under the bag. There is unlikely,like,certain,impossible and equally likely. You have to click on the one that you think is correct and then click check. It is good you can learn something from it.