A bag contains 18 balls. There are 6 red balls, 6 yellow balls, and 6 green balls. A ball is drawn at random and returned. Then another ball is drawn at random. Select ALL statements that are true. A. The expected probability of drawing a green ball first is the same as the expected probability of drawing a green ball second.

B. There are six possible outcomes.

C. The probability of drawing a red ball first is the same as not drawing a red ball second.

D. The expected probability of drawing a red ball and then a yellow ball is 19.