Assume that the sensitivity and specificity of the new test for alcohol use in items 12 to 16 remain unchanged. This tim
Posted: Thu Apr 14, 2022 7:24 am
Assume that the sensitivity and specificity of the new test for
alcohol use in items 12 to 16 remain unchanged. This time, however,
the gold standard is direct phlebotomy to measure blood alcohol
level, which shows there are actually 150 workers with detectable
blood alcohol rather than 20. The positive predictive value is
now
a.94%.
b.12%
.c.67%
.d.1%.
e.98%.
alcohol use in items 12 to 16 remain unchanged. This time, however,
the gold standard is direct phlebotomy to measure blood alcohol
level, which shows there are actually 150 workers with detectable
blood alcohol rather than 20. The positive predictive value is
now
a.94%.
b.12%
.c.67%
.d.1%.
e.98%.