Find the mean, , variance, o2, and the standard deviation, o, for the probability distributions below. Score, X P(X) X-P(X) (x-) (x-)- P(X) 1 0.04 2 0.13 0.43 0.29 0.11 P(X) (x-) (x-). P(X) 0.12 0.15 0.3 0.3 0.13 3 4 5 Score, X 1 2 3 4 5 X.P(X)