The Number of Electrical Outages in a City Varies from Day

Multiple Choice

The number of electrical outages in a city varies from day to day. Assume that the number of electrical outages x) in the city has the following probability distribution. $\begin{array}{ll}x&fx) \\0 & 0.80 \\1 & 0.15 \\2 & 0.04 \\3 & 001\end{array}$ The mean and the standard deviation for the number of electrical outages respectively) are

A) 2.6 and 5.77
B) 0.26 and 0.577
C) 3 and 0.01
D) 0 and 0.8