AP Stats help, please?
All of the following statements are true about the normal distribution except:

-The total area under the normal curve is one
-The proportion of observations two standard deviations about the mean is the same as the proportion two standard deviations below the mean
-The normal curve crosses the x-axis at Z-scores above 3.0 and below -3.0
-Values located on the normal curve are not meant as actual observations
-The normal distribution is a mathematical model of a population distribution

Question

AP Stats help, please?
All of the following statements are true about the normal distribution except:

-The total area under the normal curve is one
-The proportion of observations two standard deviations about the mean is the same as the proportion two standard deviations below the mean
-The normal curve crosses the x-axis at Z-scores above 3.0 and below -3.0
-Values located on the normal curve are not meant as actual observations
-The normal distribution is a mathematical model of a population distribution

anonymous · Answer

I personally think that it is the third one but I am unsure

anonymous · Answer

In the second choice, is "about" supposed to say "above?

Anyway, your answer is correct.