Suppose the test scores of students in a class are normally distributed with a mean of 92 and a standard deviation of 3.
What is the z-score for a student who scored 86 on a test?
-6
-2
2
6
+3
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Home » Mathematics » Suppose the test scores of students in a class are normally distributed with a mean of 92 and a standard deviation of 3. What is the z-score for a student who scored 86 on a test? -6 -2 2 6