An experiment consists of drawing balls from an urn without replacement. There are 2 red balls and 4 green balls. An outcome is a list of the colors drawn in the order in which they occurred. The experiment ends when the balls remaining in the urn are all the same color. Answer the following questions:

How many outcomes are there in the sample space?

Which of the following outcomes are possible in this experiment? A. GGRRR B. RR C. RGRR D. GGRGG E. GGRR F. GGRGR G. RRR H. GRRR