Some Employers Use Lie Detector Tests to Screen Job Applicants

question 57

Multiple Choice

Some employers use lie detector tests to screen job applicants. Lie detector tests are not completely reliable. Suppose that in a lie detector test, 65% of lies are identified as lies and
That 14% of true statements are also identified as lies. A company gives its job applicants a
Polygraph test, asking "Did you tell the truth on your job application?". Suppose that 93% of
The job applicants tell the truth during the polygraph test. What is the probability that a person
Who fails the test was actually telling the truth?

• A)0.349
• B)0.14
• C)0.741
• D)0.259

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Definitions:

Acetic Formic Anhydride

A mixed anhydride derived from acetic and formic acids, used in organic synthesis, particularly in acetylation reactions.

Methanol

A simple alcohol with the formula CH3OH, used as a solvent, antifreeze, fuel, and as feedstock for the production of chemicals.

Major Organic Products

Primary substances formed as a result of organic reactions, often the focus of synthesis goals.

Major Product

The compound that is formed in the greatest yield in a chemical reaction, as predicted by the reaction mechanism.