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The scores on a test were normally distributed with a mean of 80 and a standard deviation of 7. Zayda scored 67 on the test.

The scores on a test were normally distributed with a mean of 80 and a standard deviation of 7. Zayda scored 67 on the test. What is the corresponding z-score to Zayda's test score? ROund your answer to the nearest hundredth

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