1. one of the boxes contained pens, 1 dozen red pens as a green butt butt 4 3 remaining blue probability, random, grab a pen and stylus pens 3 and all colors have an equal value which of the following.
1 a box containing one dozen pens, a red pen 3 pcs 4 pcs green left is blue, the probability that randomly picks a pen knife and has all three colors are set to the following.
1. A box containing a dozen 1 pen is red pen pen pen green 4 3 The rest is blue pen to 3 probability random grab handle. And all the color is equal to any of the following