Complete parts(a) and(b) below.

The number of dogs per household in a small town

Dogs

0

1

2

3

4

5

Probability

0.687

0.195

0.077

0.023

0.013

0.005

(a) Find themean, variance, and standard deviation of the probability distribution.

Find the mean of the probability distribution.

=

nothing

(Round to one decimal place asneeded.)