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Statement of a problem № m67

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A normal population has a mean of 12.2 and a standard deviation of 2.5. a. Compute the z value associated with 14.3. b. What proportion of the population is between 12.2 and 14.3? c. What proportion of the population is less than 10.0?

Solution:
A normal population has a mean of 12.2 and a standard deviation of 2.5.
a. Comp

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