A company administers a drug test to its employees. Use
the two-way table to answer the question that follows.
Total
Employee Test Results
Employee Employee
Uses is Drug
Drugs
Free
Test Positive for
20
12
Drug Use
Test Negative for
0
468
Drug Use
Total
20
480
IN
32
468
500
If a test is positive, what is the probability, written
as a percent, that the employee is guilty? If
necessary, round your answer to the nearest
percent.