Answer:
The sample proportion is 8.4%.
Step-by-step explanation:
The sample proportion f people in the United States who earn more than $75,000 each year is the number of people who reported earning more than $75,000 each year divided by the size of the sample.
The proportion is:
[tex]P = \frac{168}{2000} = 0.084[/tex]
The sample proportion is 8.4%.