Refer to the Table Which Summarizes the Results of Testing

question 112

Multiple Choice

Refer to the table which summarizes the results of testing for a certain disease. $$\begin{array} { l | c c } & \text { Positive Test Result } & \text { Negative Test Result } \\\hline \text { Subject has the disease } & 119 & 6 \\\text { Subject does not have the disease } & 13 & 177\end{array}$$
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?

• A) 0.0413; The probability of this error is low so the test is fairly accurate.
• B) 0.581; The probability of this error is high so the test is not very accurate.
• C) 0.0190; The probability of this error is low so the test is fairly accurate.
• D) 0.0480; The probability of this error is low so the test is fairly accurate.

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