A medical test has a false positive rate of 5% and a false negative rate of 2%. The disease prevalence is 1%. What is the probability that a person who tests positive actually has the disease?

GIAC Machine Learning Engineer

Domain 1Objective 3

Probability and Frequency GMLE Practice Questions (Page 10)

Part of the Foundational Data Science and Statistics domain, which makes up ~41% of our current practice bank. GIAC (SANS) does not publish an official question count, but from its 180-minute exam (~70–120 total, ~29–49 in this domain), expect 7–12 from this objective — we provide 46 practice questions to prepare you well beyond it. (estimate)

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Questions 46–46

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A medical test has a false positive rate of 5% and a false negative rate of 2%. The disease prevalence is 1%. What is the probability that a person who tests positive actually has the disease?
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Probability and Frequency GMLE Practice Questions (Page 10)

Questions 46–46

A medical test has a false positive rate of 5% and a false negative rate of 2%. The disease prevalence is 1%. What is the probability that a person who tests positive actually has the disease?

Keep studying — Foundational Data Science and Statistics