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What are the extreme limits within which population average

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According to medical sciences research show that the average level of prothrombin in a normal population is 19 mg/100 ml of blood plasma with a standard deviation of 3 milligrams'/100 ml. To verify this, a sample is taken from 36 individuals in whom the average is 18.5 mg/100 ml. Can the hypothesis be accepted with a significance level of 5%? What are the extreme limits within which population average value can occur with 95% possibility?

Reference no: EM132581589

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