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Suppose a test for a disease has a sensitivity of 75% and a specificity of 80%. Further suppose that in a certain country with a population of 1,000,000, 20% of the population has the disease. This produces the following table. Has Does not Totals disease have disease Test 150,000 160,000 310,000 positive Test 50,000 640,000 690,000 negative Totals 200,000 800,000 1,000,000 What are the PPV and NPV of this test for this country? (Round your answers to one decimal place.) PPV NPV %

Suppose a test for a disease has a sensitivity of 75% and a specificity of 80%. Further suppose that in a certain country with a population of 1,000,000, 20% of the population has the disease. This produces the following table. Has Does not Totals disease have disease Test 150,000 160,000 310,000 positive Test 50,000 640,000 690,000 negative Totals 200,000 800,000 1,000,000 What are the PPV and NPV of this test for this country? (Round your answers to one decimal place.) PPV NPV %

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Suppose a test for a disease has a sensitivity of 75% and a specificity of 80%. Further suppose that in a certain country with a population of 1,000,000, 20% of the population has the disease. This produces the following table. Has Does not Totals disease have disease Test 150,000 160,000 310,000 positive Test 50,000 640,000 690,000 negative Totals 200,000 800,000 1,000,000 What are the PPV and NPV of this test for this country? (Round your answers to one decimal place.) PPV % NPV %
Transcribed Image Text:Suppose a test for a disease has a sensitivity of 75% and a specificity of 80%. Further suppose that in a certain country with a population of 1,000,000, 20% of the population has the disease. This produces the following table. Has Does not Totals disease have disease Test 150,000 160,000 310,000 positive Test 50,000 640,000 690,000 negative Totals 200,000 800,000 1,000,000 What are the PPV and NPV of this test for this country? (Round your answers to one decimal place.) PPV % NPV %
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