Find the indicated probability. Refer to the table which summarizes the results of testing for a certain disease.
Positive Test Result Negative Test Result
Subject has the disease
120
4
Subject does not have the disease
13
172
If one of the results is randomly selected, what is the probability that it is a false negative (test indicates the person does not have the disease when
in fact they do)? What does this probability suggest about the accuracy of the test?
0.0323; The probability of this error is low so the test is fairly accurate.
0.0129; The probability of this error is low so the test is fairly accurate.
0.0421; The probability of this error is low so the test is fairly accurate.
0.570; The probability of this error is high so the test is not very accurate.