One box contains 1 pen red pen is 3 dozen green butt butt blue 4 remaining is the probability that a random pick up pens, pens, and then all three colors are equal to which of the following.
A box containing a dozen pens, one red pen 3 handle green handle remaining four blue probability that randomly picks a pen shaft has three full color is equal to any of the following.
A box containing a pen 1 dozen is a 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