Researchers Have Shown That in a Typical Year in the United

question 141

Multiple Choice

Researchers have shown that in a typical year in the United States, approximately _____ percent of people with psychological disorders receive clinical treatment.

• A) 15
• B) 30
• C) 45
• D) 60

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Definitions:

Continuous Normal Distribution

A type of probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean of the set.

Normal Distribution

A probability distribution that is symmetric around the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Continuous Random Variable

A random variable that may assume any numerical value in an interval or collection of intervals.