Given That X Is a Normal Random Variable, the Probability

question 42

Multiple Choice

Given that X is a normal random variable, the probability that a given value of X is below its mean is ________.

• A) 1
• B) equal to .5
• C) less than .5
• D) greater than .5

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Definitions:

High School Education

The level of education typically completed from grades 9 to 12, serving as the foundation for future college or vocational training.

Proportion

A statistical measure that indicates the fraction of the total number of items or cases that belong to a particular category or exhibit a particular attribute.

Sample Proportion

The fraction of items in a sample that are of a particular type or category.

Parameter

A quantity that defines certain characteristics of a system or function, often used in statistical analysis to represent a population attribute.