OZ Plumbing & Heating is the main piping contractor for a developer. In a recent development project,
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OZ Plumbing & Heating is the main piping contractor for a developer. In a recent development project, 15 out of 50 home owners complained that their pipes leaked.
To verify this, the developer randomly selected 10 homes and run a defect check. The developer decided to change their piping contractor if they found more than a quarter of the piping to be leaking. What is the chance the developer will change the piping contractor?
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Related Book For 
Business Statistics
ISBN: 9781292220383
10th Global Edition
Authors: David Groebner, Patrick Shannon, Phillip Fry
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