Homework Help: statistics

Posted by Anonymous on Wednesday, April 18, 2012 at 8:48am.

The average hemoglobin reading for a sample of 20 nurses was 16 grams per 100 mL, with a sample standard deviation of 2 g. Assume the hemoglobin readings are approximately normally distributed. The 98% confidence interval for the true mean hemoglobin reading for nurses is closest to

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