biostat - usmlemania2011

[ArchivalUser]

a new test i developed to diagnose CAD. it has 60% sensitivity and 80% specificity. the prevalence of CAD in this population is 10%.

what is the negative predictive value?

a. 6/24
b. 6/26
c. 18/24
d. 18/90
e 72/76
f 72/90
g 80/84
h 80/100