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    what is the probability that three labs will detect drugs

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    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.

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

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