A Normal Population Has a Mean $\mu = 30$ And Standard Deviation

question 98

Multiple Choice

A normal population has a mean $\mu = 30$ and standard deviation $\sigma = 9$ . What proportion of the population is between 23 and 32?

• A) 0.6306
• B) 0.2177
• C) 0.3694
• D) 0.5871

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Definitions:

Reinforcer

Any stimulus that strengthens or increases the likelihood of a behavior by its occurrence.

Contingency Management

A behavioral therapy technique that modifies behavior by changing the consequences that are contingent upon that behavior.

Assessment

The process of evaluating or estimating the nature, ability, or quality of something, often for purposes of education or psychology.

Contingency Management

A behavioral therapy technique based on the modification of behavior by changing the consequences of behaviors.