A survey of those using a particular statistical software
Chapter 3, Problem 2.125(choose chapter or problem)
A survey of those using a particular statistical software system indicated that 10% were dissatised. Half of those dissatised purchased the system from vendor A. It is also known that 20% of those surveyed purchased from vendor A. Given that the software was purchased from vendor A, what is the probability that that particular user is dissatised?
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