A frequency distribution is shown below. Complete parts (a) and (b).

The number of televisions per household in a small town

Televisions

0

1

2

3

Households

20

448

721

1408

(a) Use the frequency distribution to construct a probability distribution.

x

P(x)

0

1

2

3

(Round to three decimal places as needed

Describe the histogram's shape. Choose the correct answer below.

skewed left

skewed right

symmetric

In a sample of

900

U.S. adults,

171

dine out at a restaurant more than once per week.

Two

U.S. adults are selected at random from the population of all U.S. adults without replacement. Assuming the sample is representative of all U.S. adults, complete parts (a) through (d).

(a) Find the probability that both adults dine out more than once per week.

The probability that both adults dine out more than once per week is

nothing.

(Round to three decimal places as needed.)

(b) Find the probability that neither adult dines out more than once per week.

The probability that neither adult dines out more than once per week is

nothing.

(Round to three decimal places as needed.)

(c) Find the probability that at least one of the two adults dines out more than once per week.

The probability that at least one of the two adults dines out more than once per week is

nothing.

(Round to three decimal places as needed.)