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In the Bag

Stage: 3 Challenge Level: Challenge Level:1

The sets of 10 marbles are chosen randomly, so could contain:
4 red, 3 green, 2 blue and 1 yellow or
4 red, 3 green and 3 yellow or
7 red and 3 blue or...

A run of 10 viewings may produce an outcome that is not representative of the actual contents of the bag.