The manager of a home improvement store is studying the number of on-the-job-accidents recorded. The manager provided the following probability distribution for a particular month: The mean of this distribution is ___.
A) 2.1
B) 3.0
C) 1.3
D) 5
E)

Question

The manager of a home improvement store is studying the number of on-the-job-accidents recorded. The manager provided the following probability distribution for a particular month:  The mean of this distribution is ___.
A) 2.1 
B) 3.0 
C) 1.3 
D) 5 
E) <1

Quizplus · Accepted Answer

To find the mean of a probability distribution, we multiply each outcome by its probability and add up the products. So, the mean of the given distribution is:
(0.15 x 0) + (0.30 x 1) + (0.25 x 2) + (0.20 x 3) + (0.10 x 4) = 1.3
Therefore, the answer is C.

The Manager of a Home Improvement Store Is Studying the Number