An English Instructor Gave a Final Exam and Found a Mean

question 74

Multiple Choice

An English instructor gave a final exam and found a mean score of 72 points and a standard deviation of 6.9 points.Assume that a Normal model can be applied.Draw and label the Normal model for the exam scores.What percent of scores should be between 85.8 and 92.7 points?

• A) ; 5%
• B) ; 2.5%
• C) ; 2.35%
• D) ; 4.7%
• E) ; 35.9318841%

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Definitions:

NOT Function

A logical operation that inverts its input; if the input is true, the output is false, and vice versa.

AND Function

A logical operation that returns true only if all the operands are true.

Boolean Equation

A mathematical expression using Boolean algebra, involving operators like AND, OR, NOT, representing logical relationships.

Inverter

The digital circuit that performs inversion.