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Suppose a test has sensitivity 0.787. The test also produces false positives at the rate of 17% when the disease is not present. If the prevalence of the disease is 7 people out of 1000, what is the chance that a randomly chosen person will test positive? Express your answer as a decimal. Round to the nearest thousandth.

Suppose a test has sensitivity 0.787. The test also produces false positives at the rate of 17% when the disease is not present. If the prevalence of the disease is 7 people out of 1000, what is the chance that a randomly chosen person will test positive? Express your answer as a decimal. Round to the nearest thousandth.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Suppose a test has sensitivity 0.787. The test also produces false positives at the rate of 17% when the disease is not present. If the prevalence of the disease is 7 people out of 1000, what is the chance that a randomly chosen person will test positive? Express your answer as a decimal. Round to the nearest thousandth.
Transcribed Image Text:Suppose a test has sensitivity 0.787. The test also produces false positives at the rate of 17% when the disease is not present. If the prevalence of the disease is 7 people out of 1000, what is the chance that a randomly chosen person will test positive? Express your answer as a decimal. Round to the nearest thousandth.
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