The following table contains the probability distribution for the number of traffic accidents daily in a small town. Complete parts (a) through (c) below.

P(X= x;)

Number of Accidents Daily (X) P(X= x;)
0 0.31
1 0.32
2 0.15
3 0.09
4 0.06
5 0.04
6 0.03

a) Compute the mean number of accidents per day.