Question: Problem 4 (5 points). We image 100 people - 50 healthy controls and 50 with a disease di- agnosis - to see if an imaging

Problem 4 (5 points). We image 100 people - 50 healthy

Problem 4 (5 points). We image 100 people - 50 healthy controls and 50 with a disease di- agnosis - to see if an imaging marker can show similar separation of groups. Of the 50 healthy subjects 48 received a corresponding negative test; of the 50 disease subjects, 42 subjects received a corresponding positive test. What are the sensitivity and specificity of this imaging test

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