Complete parts (a) and (b) below.

The number of dogs per household in a small town

Dogs

0

1

2

3

4

5

Probability

0.652

0.216

0.083

0.025

0.015

0.008

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

Find the mean of the probability distribution.

muequals

nothing (Round to one decimal place as needed.)

Use the probability distribution to complete parts (a) and (b) below.

The number of defects per 1000 machine parts inspected

Defects

0

1

2

3

4

5

Probability

0.263

0.288

0.250

0.143

0.036

0.020

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

The mean is

nothing.

(Round to one decimal place as needed.)