# what is the probability that three labs will detect drugs

Employee drug testing is done in the following manner. An employee is chosen at random and a urine specimen is taken. The specimen is divided into three vials and each vial is sent to an independent lab. If each lab has a 0.97 probability of detecting illegal drugs when they are present, what is the probability that all three labs detect the drugs.

© BrainMass Inc. brainmass.com June 4, 2020, 1:21 am ad1c9bdddfhttps://brainmass.com/statistics/probability/probability-three-labs-detect-drugs-394176

#### Solution Preview

Since the three labs are independent (i.e. one's decision does not ...

#### Solution Summary

The expert determines what the probability that three labs will detect drugs.

$2.19