When the normal curve is paired with the standard deviation,a fixed set of point emerges that

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The normal curve paired with the standard deviation provides us with a fixed set of points that can be used to determine the probabilities of a score occurring. These points are known as Z-scores and are useful in determining the probability of a particular score or range of scores occurring based on the mean and standard deviation of the distribution. The other options given (B and C) are not accurate statements about the relationship between the normal curve and standard deviation.

When the Normal Curve Is Paired with the Standard Deviation,a