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Timed Test For
Z-scores 1
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Sample Problem
The grades on a math midterm at Springer are normally distributed with $\mu = 72$ and $\sigma = 4.5$. Stephanie scored $86$ on the exam. **Find the z-score for Stephanie's exam grade. Round to two decimal places.** [[☃ numeric-input 1]]
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)
