Refer to the Table Which Summarizes the Results of Testing

question 19

Multiple Choice

Refer to the table which summarizes the results of testing for a certain disease. $$\begin{array} { l | c c } & \begin{array} { l } \text { Positive } \\\text { Test Result }\end{array} & \begin{array} { l } \text { Negative } \\\text { Test Result }\end{array} \\\hline \begin{array} { l } \text { Subject has the disease } \\\text { Subject does not have the } \\\text { disease }\end{array} & 111 & 4 \\& 11 & 172\end{array}$$ 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) 0.0369; The probability of this error is low so the test is fairly accurate.
• B) 0.0348; The probability of this error is low so the test is fairly accurate.
• C) 0.591; The probability of this error is high so the test is not very accurate.
• D) 0.0134; The probability of this error is low so the test is fairly accurate.

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Definitions:

Hate-motivated Killers

Individuals who commit acts of violence primarily driven by intense hatred towards a particular group or individuals based on race, religion, sexual orientation, etc.

Stalked

The act of persistently following, watching, or contacting someone in a way that is invasive, threatening, or causes fear for one's safety.

Perpetrators

Individuals who commit a harmful, illegal, or unethical act.

Genocide

The purposeful and organized obliteration of a community defined by their ethnic, racial, political, or cultural identity.