Consider each distribution. Determine if it is a valid probability distribution or not, and explain your answer. (a) x 0 1 2
P(x) 0.25 0.63 0.12
No. The probabilities sum to 1.
No. The probabilities do not sum to 1.
Yes. The probabilities do not sum to 1.
Yes. The probabilities sum to 1.
(b) x 0 1 2
P(x) 0.25 0.63 0.17
No. The probabilities do not sum to 1.
Yes. The probabilities sum to 1.
No. The probabilities sum to 1.
Yes. The probabilities do not sum to 1.