The Following Probability Distribution Represents the Number of Vehicles Available

Multiple Choice

The following probability distribution represents the number of vehicles available for use by a randomly selected US household.To simplify matters, the category "three or more" is replaced by "3" (Source: US Census, American FactFinder) .Calculate the standard deviation of the number of vehicles available per household.

A) 0.11
B) 0.79
C) 0.89
D) 1.12
E) 1.45