A diagnostic test has a sensitivity of 97% and a specificty of 99%. You have determined that, given the estimated prevalence of the infection you are testing for, a positive test corresponds to a 43% chance of being infected. Which of the following would you expect to increase the predictive value of a positive test result? a. Testing only individuals who have been exposed to an infected person b. Testing people who live in areas where infection rates are higher than the general population. c. Testing only symptomatic individuals d. Testing only people with a high risk of dying from the infection.
A diagnostic test has a sensitivity of 97% and a specificty of 99%. You have determined that, given the estimated prevalence of the infection you are testing for, a positive test corresponds to a 43% chance of being infected. Which of the following would you expect to increase the predictive value of a positive test result? a. Testing only individuals who have been exposed to an infected person b. Testing people who live in areas where infection rates are higher than the general population. c. Testing only symptomatic individuals d. Testing only people with a high risk of dying from the infection.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
9
Transcribed Image Text:A diagnostic test has a sensitivity of 97%
and a specificty of 99%. You have
determined that, given the estimated
prevalence of the infection you are testing
for, a positive test corresponds to a 43%
chance of being infected. Which of the
following would you expect to increase the
predictive value of a positive test result?
a. Testing only individuals who have been
exposed to an infected person
b. Testing people who live in areas where
infection rates are higher than the general
population.
c. Testing only symptomatic individuals
d. Testing only people with a high risk of
dying from the infection.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman