Suppose you have a bag with 18 small colored stones. There are 6red stones, 7 green stones, and the rest of thestones  are blue.
a. Would reaching into the bag, pulling out a stone, andrecording the color be considered a random experiment? Explain youranswer.
b. If you reach into the bag and pull out a stone, what is theprobability that the stone is blue?
c. What is the probability that you will not pull out a bluestone?
d. Suppose you pull out a red stone. If you do not replace thefirst stone, what is the probability that you will pull out a bluestone this time?
