# biostaticis

What do each of the following represent?
(a) The proportion of persons who test positive for some disease who actually have the disease.
(b) The proportion of persons with some disease that test positive for the disease.
(c) The proportion of persons who do not have some disease who test negative for the disease.
(d) The proportion of persons who test negative for some disease who do not have the disease.

1. 👍 0
2. 👎 0
3. 👁 82

## Similar Questions

1. ### Epidemiology

Can anyone answer this question? The prevalence of undetected diabetes in a population to be screen ed is approximately 1.5% and it is assumed that 10,000 persons will be screened. The screening test will measure blood serum

asked by Elizabeth on July 12, 2012
2. ### Statistics

Let p1 represent the population proportion of U.S. Senate and Congress (House of Representatives) democrats who are in favor of a new modest tax on "junk food". Let p2 represent the population proportion of U.S. Senate and

asked by Ben on November 21, 2010
3. ### Math

Information from a survey on 175 persons about the goods, services and prices of a supermarket is as follows: 110 persons complained about the prices 67 persons complained about the services 55 persons complained about the goods

asked by Lisa on March 4, 2008
4. ### physics

What does the concentration of field lines represent? Answer a. The direction that a positive test charge will be pushed. b. The direction that a negative test charge will be pushed. c. The strength of the force on a positive test

asked by jim on October 15, 2010
5. ### physics

What does the concentration of field lines represent? Answer a. The direction that a positive test charge will be pushed. b. The direction that a negative test charge will be pushed. c. The strength of the force on a positive test

asked by jim on October 15, 2010
6. ### data management gr.12

A particular genetic trait occurs in 2% of the population. The reliability of a test to discover the trait is: if the person has the trait then the test is positive 98% of the time, but the test is also positive 3% of the time for

asked by Anonymous on December 22, 2016
7. ### statistics

A test designed to check for sickle-cell anemia has an 85% chance of detection in that, if a person has the disease, there is an 85% chance that the test will be positive. And, if the person does not have the disease, there is an

asked by scott on May 13, 2014
8. ### biostatistics

Rheumatoid arthritis (RA) is a chronic disease that affects synovial joints. About 1% of the world population suffers from this disease. A synovial test for the presence of the anti-citrullinated protein antibodies is commonly

asked by J on May 24, 2017