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Find the value of the test statistic

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Reference no: EM132464635

A hospital director is told that 78% of the emergency room visitors are insured. The director wants to test the claim that the percentage of insured patients is below the expected percentage. A sample of 200 patients found that 150 were insured. Find the value of the test statistic. Round your answer to two decimal places.

Reference no: EM132464635

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