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Scores on a dental anxiety scale range from 0​ (no anxiety) to 20​ (extreme anxiety). The...

Scores on a dental anxiety scale range from 0​ (no anxiety) to 20​ (extreme anxiety). The scores are normally distributed with a mean of 11and a standard deviation of 4.

Find the​ z-score for the given score on this dental anxiety scale 1

z 1equals ?

​(Type an integer or a​ decimal.)

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