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.
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.

Question

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. ​  ​
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.

Quizplus · Accepted Answer

The Answer of 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. ​  ​
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.

The Number of Electrical Outages in a City Varies from Day