Is the distribution a discrete probability distribution?
a. yes comma because the sum of the probabilities is equal to 1 and each probability is between 0 and 1 comma inclusive.
b. yes comma because the sum of the probabilities is equal to 1.
c. no comma because each probability is not between 0 and 1 comma inclusive.
d. no comma because the sum of the probabilties is not equal to 1?