A normal population has a mean of 12.2 and a standard deviation of 2.5. What proportion of the population is less than 10.0

- stapel_eliz
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rushange wrote:A normal population has a mean of 12.2 and a standard deviation of 2.5. What proportion of the population is less than 10.0

What is the z-score for 10.0? What percentage is this?