A Random Variable Is Normally Distributed with a Mean of 25

question 24

Multiple Choice

A random variable is normally distributed with a mean of 25 and a standard deviation of 5.If an observation is randomly selected from the distribution,what value will be exceeded 85% of the time?

• A)16.2
• B)17.9
• C)19.8
• D)14.2

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Definitions:

Method Of Elimination

A technique for solving systems of equations by eliminating variables to solve for the others.

Fractions

Mathematical expressions representing the division of one integer by another, comprising a numerator and a denominator.

Linear Equations

Equations of the first degree, meaning they involve only linear terms and constant terms.

Inconsistent

Inconsistent describes a system of equations that has no solution, meaning there is no set of values that satisfy all equations simultaneously.