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< Question 20, 12.4.53 >

HW Score: 45.62%,

14.14 of 31 points

O Points: 0 of 1

213 = (Type an integer or a decimal.)

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Scores on a dental anxiety scale range from 0 (no anxiety) to 30 (extreme anxiety). The

scores are normally distributed with a mean of 18 and a standard deviation of 4. Find

the z-score for the given score on this dental anxiety scale.

13