Math Internet usage varies according to individuals’ ethnic and racial background. The following chart lists the number of people in each of the major ethnic/racial classifications in the United States and the percentage of that population that uses the Internet.

Racial/Ethnic U.S. Population % of Population Classification (in millions) Using the Internet African-Americans 13.3 40%

Hispanic 10.1 32%

All U.S. ethnic 29.8 39%

minorities Caucasian/White 186.7 60%

a. Calculate the number of Internet users for each racial/ethnic classification listed. Then determine the total number of people in the U.S. population, the total number of Internet users in the U.S. population, and the average percentage of the total population using the Internet.

b. What are some possible reasons the usage rate of the Internet varies, based on a person’s racial/ethnic classification?