The CDC recommends that HIV testing be a part of routine clinical care for all sexually active patients. But do people get tested for HIV regularly? The 2012 National Health Interview Survey gives the number of adults in the United States (in thousands) classified by age group and whether they had been tested for HIV in the past 12 months. The table contains the data. Tested Not tested 15–19 years 2270 19039 20–24 years 4767 15804 25-29 years 5008 16330 30–34 years 3427 15046 35-39 years 3177 17703 40–44 years 2372 18697 Find the conditional distribution of HIV-testing status for each age group. (Give your answers as percents rounded to three decimal places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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The CDC recommends that HIV testing be a part of routine clinical care for all sexually active patients. But do people get
tested for HIV regularly? The 2012 National Health Interview Survey gives the number of adults in the United States (in
thousands) classified by age group and whether they had been tested for HIV in the past 12 months. The table contains the
data.
Tested
Not tested
15-19 years
2270
19039
20-24 years
4767
15804
25-29 years
5008
16330
30–34 years
3427
15046
35-39 years
3177
17703
40–44 years
2372
18697
Find the conditional distribution of HIV-testing status for each age group.
(Give your answers as percents rounded to three decimal places.)
15-19 years:
20-24 years:
%
25–29 vears:
Transcribed Image Text:The CDC recommends that HIV testing be a part of routine clinical care for all sexually active patients. But do people get tested for HIV regularly? The 2012 National Health Interview Survey gives the number of adults in the United States (in thousands) classified by age group and whether they had been tested for HIV in the past 12 months. The table contains the data. Tested Not tested 15-19 years 2270 19039 20-24 years 4767 15804 25-29 years 5008 16330 30–34 years 3427 15046 35-39 years 3177 17703 40–44 years 2372 18697 Find the conditional distribution of HIV-testing status for each age group. (Give your answers as percents rounded to three decimal places.) 15-19 years: 20-24 years: % 25–29 vears:
25–29 years:
30–34 years:
%
35-39 years:
%
40-44 years:
%
Describe the state of HIV testing in the United States.
In all six groups, the great majority of individuals have been tested for HIV in the past year. Individuals aged 20–24
and 25–29 have the lowest percent of recently tested individuals.
O In all six groups, the great majority of individuals have not been tested for HIV in the past year. Individuals aged 20-
24 and 25–29 have the largest percent of recently tested individuals.
O In all six groups, the great majority of individuals have not been tested for HIV in the past year. Individuals aged 30–
34 and 35–39 have the largest percent of recently tested individuals.
The percent of individuals having been tested for HIV in the past year varies wildly by age group. Some age groups
have a very large testing rate, and others have a very low testing rate.
Transcribed Image Text:25–29 years: 30–34 years: % 35-39 years: % 40-44 years: % Describe the state of HIV testing in the United States. In all six groups, the great majority of individuals have been tested for HIV in the past year. Individuals aged 20–24 and 25–29 have the lowest percent of recently tested individuals. O In all six groups, the great majority of individuals have not been tested for HIV in the past year. Individuals aged 20- 24 and 25–29 have the largest percent of recently tested individuals. O In all six groups, the great majority of individuals have not been tested for HIV in the past year. Individuals aged 30– 34 and 35–39 have the largest percent of recently tested individuals. The percent of individuals having been tested for HIV in the past year varies wildly by age group. Some age groups have a very large testing rate, and others have a very low testing rate.
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P(A) = n(A)n(T)

Where n(T) is the Total possible events

 

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