HLSC 4P99 ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS

HLSC 4P99 ACTUAL UPDATED
QUESTIONS AND CORRECT ANSWERS
What is the formula for Sensitivity - CORRECT ANSWERS✅✅Sensitivity = TP / (TP +
FN)


What is the probability notation for sensitivity? - CORRECT ANSWERS✅✅P(T+ | D+)



How is a sensitivity of 0.48 interpreted? - CORRECT ANSWERS✅✅A test can correctly
identify 48% of individuals with disease.


Define Sensitivity - CORRECT ANSWERS✅✅The proportion of people who have the
disease and test positive for that disease


What is another name for Sensitivity? - CORRECT ANSWERS✅✅True Negative Rate



Define Specificity - CORRECT ANSWERS✅✅probability that a patient without disease
will have a negative result


What is the formula for Specificity? - CORRECT ANSWERS✅✅Specificity = TN / (TN +
FP)


What is the probability notation for specificity? - CORRECT ANSWERS✅✅P(T- | D-)



What is another name for Specificity? - CORRECT ANSWERS✅✅True Positive rate



How is a specificity of 0.78 interpreted? - CORRECT ANSWERS✅✅A test can correctly
identify 78% of individuals without disease.


Define Positive predictive value - CORRECT ANSWERS✅✅The probability that a person
with a positive test result is truly positive