Question: A normal distributed continuous variable has a mean of 10.0 and a standard deviation of 2 in a population. What proportion of values are at

A normal distributed continuous variable has a mean of 10.0 and a standard deviation of 2 in a population. What proportion of values are at or below 8.0?

A. -0.1587

B. 0.8413

C. 0.3413

D. 0.1587

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