A bag contains 4 blue marbles and 2 yellow marbles. Two marbles are randomly chosen (the first marble is NOT replaced before drawing the second one). What is the probability that both marbles are BLUE? [Hint: try creating a Tree Diagram] Ⓒor 0.2667 or 27% or 0.0667 or 6.7% Ⓒor 0.4 or 40% O O or 0.5333 or 53% or 0.2333 or 23%

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