discrete probability distribution

Determine whether the distribution is a discrete probability distribution. Is the distribution a discrete probability distribution?

Determine whether the distribution is a discrete probability distribution.

Is the distribution a discrete probability​ distribution?

A.No comma because each probability is not between 0 and 1 comma inclusive.

B.No comma because the sum of the probabilties is not equal to 1.

C.Yes comma because the sum of the probabilities is equal to 1.

D.Yes comma because the sum of the probabilities is equal to 1 and each probability is between 0 and 1 comma inclusive.