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Find the value of the test statistic

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Reference no: EM132464850

Can anyone help with this type of question? A hospital director is told that 80% of the treated patients are insured. The director wants to test the claim that the percentage of insured patients is under the expected percentage. A sample of 280 patients found that 210 were insured. Find the value of the test statistic. Round to two decimal places.

Reference no: EM132464850

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