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Below is the table of population counts for a condition and its screening test. (Recall that A means the condition is present and B means the screening test is positive.) On parts (a)-(e) be- low, show enough work for me to understand how you obtained your answer; e.g. don't just write down "0.5." В Bº Total A 108 12 120 A° 42 698 740 Total 150 710 860 (a) What proportion of the population is free of the condition? (b) What proportion of the population has the

Below is the table of population counts for a condition and its screening test. (Recall that A means the condition is present and B means the screening test is positive.) On parts (a)-(e) be- low, show enough work for me to understand how you obtained your answer; e.g. don't just write down "0.5." В Bº Total A 108 12 120 A° 42 698 740 Total 150 710 860 (a) What proportion of the population is free of the condition? (b) What proportion of the population has the

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Below is the table of population counts for a condition and its screening test. (Recall that A means the condition is present and B means the screening test is positive.) On parts (a)-(e) be- low, show enough work for me to understand how you obtained your answer; e.g. don't just write down “0.5." В Bº Total A 108 12 120 A° 42 698 740 Total 150 710 860 (a) What proportion of the population is free of the condition? (b) What proportion of the population has the condition and would test positive? (c) Of those who have the condition, what proportion would test negative? (d) What proportion of the population would receive a correct screening test result? (e) Of those who would receive an incor- rect screening test result, what proportion would receive a false negative?
Transcribed Image Text:Below is the table of population counts for a condition and its screening test. (Recall that A means the condition is present and B means the screening test is positive.) On parts (a)-(e) be- low, show enough work for me to understand how you obtained your answer; e.g. don't just write down “0.5." В Bº Total A 108 12 120 A° 42 698 740 Total 150 710 860 (a) What proportion of the population is free of the condition? (b) What proportion of the population has the condition and would test positive? (c) Of those who have the condition, what proportion would test negative? (d) What proportion of the population would receive a correct screening test result? (e) Of those who would receive an incor- rect screening test result, what proportion would receive a false negative?
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