Another disease. Suppose a test for a disease has a sensitivity of 75% and a specificity of 85%. Further uppose that in a certain country with a population of 1,000,000, 20% of the population has the disease. a. Fill in the accompanying table. Does not have Has disease disease Totals Test positive Test negative Totals b. What are the PPV and NPV of this test for this country?

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Another disease. Suppose a test for a disease has a sensitivity of 75% and a specificity of 85%. Further
suppose that in a certain country with a population of 1,000,000, 20% of the population has the disease.
a. Fill in the accompanying table.
Does not have
Has disease
disease
Totals
Test positive
Test negative
Totals
b. What are the PPV and NPV of this test for this country?
Transcribed Image Text:Another disease. Suppose a test for a disease has a sensitivity of 75% and a specificity of 85%. Further suppose that in a certain country with a population of 1,000,000, 20% of the population has the disease. a. Fill in the accompanying table. Does not have Has disease disease Totals Test positive Test negative Totals b. What are the PPV and NPV of this test for this country?
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