In Problems 9-14, determine whether the distribution is a discrete probability distribution. If not, state why. 10. 19. 0 1 2 3 4 12. X 1 2 3 4 5 P(x) 0.2 0.2 0.2 0.2 0.2 P(x) 0 0 0 0 1 X 0 1 2 3 4 13. X 100 200 300 400 500 P(x) 0.1 0.5 0.05 0.25 0.1 P(x) 0.1 0.25 0.2 0.3 0.1 11. 10 20 30 40 50 14. 100 200 300 400 500 P(x) 0.1 0.23 0.22 0.6 -0.15 P(x) 0.25 0.25 0.25 0.25 0.25