An insurance company has collected the following data on the gender and marital status of 400 customers. 
Suppose that a customer is selected at random. Find the probability that the customer selected is married if the customer is female.
Definitions:
Irregularities in Heartbeat
Abnormal variations from the normal heartbeat rhythm, which may include conditions such as arrhythmias or palpitations.
Emergency Room Visits
Occurrences when individuals seek immediate medical attention at a hospital's emergency department.
Methamphetamines
A powerful, highly addictive stimulant that affects the central nervous system, known for its ability to increase alertness, concentration, and energy.
Amphetamines
A class of stimulant drugs that increase activity within the brain and nervous system, often used to treat ADHD and narcolepsy.
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