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. $$\begin{array} { c c } x & f ( x ) \\\hline 0 & 0.80 \\1 & 0.15 \\2 & 0.04 \\3 & 0.01\end{array}$$ The mean and the standard deviation for the number of electrical outages (respectively) are _____.

A) 2.6 and 5.77
B) 0.26 and .577
C) 3 and .01
D) 0 and .8