A survey of consumers in a particular community showed that 10% were dissatisfied with
Chapter 2, Problem 2.76(choose chapter or problem)
A survey of consumers in a particular community showed that 10% were dissatisfied with plumbing jobs done in their homes. Half the complaints dealt with plumber A, who does 40% of the plumbing jobs in the town. Find the probability that a consumer will obtain a an unsatisfactory plumbing job, given that the plumber was A. b a satisfactory plumbing job, given that the plumber was A.
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