Question: 20
(Choose 1 answer)
(See picture)
A. 1.40
B. 1.18
C. 2.00
D. 2.26
E. None of the other choices is correct
The following table contains the probability distribution for
X= the number of traffic accidents reported in a day in a small
city in the Midwest. Find the standard deviation of the number
of accidents.
X
4
5
0 1 2 3
P(X) 0.10 0.20 0.45 | 0.15 | 0.05 0.05
