Solve the Problem. -Scores on a Test Are Normally Distributed with a Mean

question 255

Multiple Choice

Solve the problem.
-Scores on a test are normally distributed with a mean of 72 and a standard deviation of 5. What is the percentile for an exam score of 84? Round the percentile to the nearest tenth.

• A)99.2
• B)99.4
• C)2.4
• D)2

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Definitions:

Centimeters

A metric unit of length equal to one hundredth of a meter.

Dimensional-Analysis

A method in physics and engineering to check the consistency of equations and to perform unit conversions.

Conversion Factor

A numerical value used to convert quantities expressed in one unit into another unit of measure.