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Find the value of the test statistic of patients

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Reference no: EM132464652

Problem: A hospital director is told that 60% of the treated patients are insured. The director wants to test the claim that the percentage of insured patients is below the expected percentage. A sample of 160 patients found that 80 were insured. Find the value of the test statistic. Please provide the authentic solution.

Reference no: EM132464652

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