Question

If the test for a disease is accurate 45% of the time, how often will it come

back negative if a patient has the disease?
A. 65% of the time
B. 45% of the time
C. 55% of the time
D. 35% of the time
SUB

Answer 1

The answer is C. 55% of the time

Answer 2

C. 55% of the time

Explanation:

We're finding how much is left after we take 45%, so our equation is:

100 - 45 = 55

So, it will come back negative 55% if a patient has the disease.