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John Isaac, Inc., a designer and installer of industrial signs, employs 60 people. The company recorded the type of the most recent visit to a doctor...
John Isaac, Inc., a designer and installer of industrial signs, employs 60 people. The company recorded the type of the most recent visit to a doctor by each employee. A national assessment conducted in 2008 found that 53 percent of all physician visits were to primary care physicians, 19 percent to medical specialists, 17 percent to surgical specialists and 11 percent to emergency departments. Test at the 0.01 significance level if Isaac employees differ significantly from the survey distribution. Here are their results: Primary Care 29, Medical Specialist 11, Surgical Specialist 16, Emergency 4.
