SOLUTION: In a psychology class, the mean on the first exam was 75 out of 100. The standard deviation was 5. What percentage of students in the class earned between 65 and 85?

SOLUTION: In a psychology class, the mean on the first exam was 75 out of 100. The standard deviation was 5. What percentage of students in the class earned between 65 and 85?

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Question 907323: In a psychology class, the mean on the first exam was 75 out of 100. The standard deviation was 5. What percentage of students in the class earned between 65 and 85?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

The TI syntax is normalcdf(smaller, larger, �, σ).
normalcdf(65,85,75,5)
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