The number of marbles of different colors stored in a hat is listed below:
1 red marble
8 green marbles
9 blue marbles
Without looking in the hat, Ray takes out a marble at random. He replaces the marble and then takes out another marble from the hat. What is the probability that Ray takes out a blue marble in both draws? (5 points)
a
fraction 1 over 9
b
fraction 1 over 8
c
fraction 1 over 4
d
fraction 1 over 2
