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Hemoglobin level in the blood of men

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The hemoglobin level in the blood of men is normally distributed with a standard deviation of 2.0 g/dl. 12 men were selected in a sample.

The researcher calculated the confidence interval between 13 and 15 g/dl. What is the level of confidence for this interval?

Calculate the 95% confidence interval from this sample.

LOWER boundary of the interval:

UPPER boundary of the interval:

Reference no: EM132488083

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