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From a certain test it has been found that the mean for creativity is 14.30 and the standard deviation is 2.85, and test scores are

From a certain test it has been found that the mean for creativity is 14.30 and the standard deviation is 2.85, and test scores are normally distributed.What is the z-score for an observation 0f 13?

-0.46

-0.45

0.45

0.46

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