a. The normal hemoglobin range for men is 13.6 g/dL to 17.7 g/dL. What percentage of men
have hemoglobin levels in the normal range?
b. If we randomly collect samples of men with 9 in each sample, what percentage of those
samples have a mean hemoglobin level that is within the normal range?
10. Hemoglobin in Women Hemoglobin levels in adult females are normally distributed
with a mean of 13.0 g/dL and a standard deviation of 1.3 g/dL (based on data from the Na-
tional Health and Nutrition Examination Survey).
a. The normal hemoglobin range for women is 12.1 g/dL to 15.1 g/dL. What percentage of
women have hemoglobin levels in the normal range?
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b. If we randomly collect samples of women with 9 in each sample, what percentage of those
samples have a mean hemoglobin level that is within the normal range?