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: 
Using sampling without replacement,what is the probability of randomly selecting someone who is not satisfied with system 9,and then randomly selecting someone who is not satisfied with system 10?
Definitions:
Distribution
The way in which something is shared out among a group or spread over an area, or the arrangement of values of a variable showing their observed or theoretical frequency of occurrence.
Variance
A statistical measure of dispersion that shows how much values in a data set differ from the mean.
Standard Deviation
A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean, used to assess the spread of a data distribution.
Statistics
Calculated numbers that summarize data and relationships among variables in a sample.
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