What is the Discrete Variable Standard Deviation for the following numbers: x = 0 and P(X = x) = 0.42 x = 1 and P(X = x) = 0.13 x = 2 and P(X = x) = 0.05 x = 3 and P(X = x) = 0.02 x = 4 and P(X = x) = 0.38 Level of difficulty = 2 of 2 Please format to 4 decimal places.