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Mathematics 12 Online
OpenStudy (anonymous):

Alice has measured the hemoglobin levels of 200 people. If the data follows a normal distribution with a mean of 10 and a standard deviation of 1, what can you conclude? About 64 people have hemoglobin levels less than 9. About 32 people have hemoglobin levels less than 9. About 64 people have hemoglobin levels less than 8. About 32 people have hemoglobin levels less than 8.

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