Help me

Consider each distribution. Determine if it is a valid probability distribution or not, and explain your answer. (a) X 0 1 2 P(X ) 0.24 0.61 0.15 O Yes. The probabilities do not sum to 1. O Yes. The probabilities sum to 1. O No. The probabilities do not sum to 1. O No. The probabilities sum to 1. (b) X 0 1 2 P (X ) 0.24 0.61 0. 16 O No. The probabilities do not sum to 1. O Yes. The probabilities do not sum to 1. O Yes. The probabilities sum to 1. O No. The probabilities sum to 1