What proportion of 18- to 44-year-old Americans have never been tested for HIV?

Suppose that a 2012 National Health Interview Survey gives the number of adults in the United States which gives the number of adults in the United States (reported in thousands) classified by their age group, and whether or not respondents have ever been tested for HIV. Discuss probability. What is its history? What is the… Continue reading What proportion of 18- to 44-year-old Americans have never been tested for HIV?