A Study Over a 10-Year Period Showed That a Certain

Multiple Choice

A study over a 10-year period showed that a certain mammogram test had a 50 percent rate of false positives.This indicates that

A) about half the tests indicated cancer.
B) about half the tests missed a cancer that exists.
C) about half the tests showed a cancer that did not exist.
D) about half the women tested actually had no cancer.