Two marbles are drawn at random and without replacement from a box containing two blue marbles and three red marbles.
a. List the sample points for this experiment.
b. Assign probabilities to the sample points.
c. Determine the probability of observing each of the following events:
A: {Two blue marbles are drawn.}
B: {A red and a blue marble are drawn.}
C: {Two red marbles are drawn.}