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:
Positive
In economics, it often refers to statements or propositions that can be tested and validated against real-world data, as opposed to normative, which are value-based.
Infinite
A term used to describe a quantity without bounds or end, often used in mathematics and physics to describe an unquantifiably large magnitude.
Zero
A number representing the absence of any quantity or measure; it is a fundamental concept in mathematics and sciences.
Positive
Referring to a condition or quantity that is more than zero, often associated with good or desirable outcomes.
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