A marketing researcher at a computer company did a study examining user satisfaction with two operating systems.A total of 300 users were surveyed on the type of operating system used and their satisfaction with it.Use the following data set to answer questions 6-14: 
What is the probability that a person is satisfied given that they use system 9?
Definitions:
Consciousness
The state of being awake and aware of one's surroundings and thoughts.
Persistent Thoughts
Repeated, ongoing thoughts that may be intrusive and unwelcome, often associated with anxiety or obsessive-compulsive disorders.
Antidepressants
Medications primarily used to treat depression by altering brain chemistry to improve mood and stress-coping mechanisms.
Norepinephrine
A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and blood sugar levels.
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