Compute Probabilities of a Sample Proportion
-The National Association of Realtors

question 20

Multiple Choice

Compute Probabilities of a Sample Proportion
-The National Association of Realtors estimates that $23 \%$ of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2004 is obtained what is the probability that at most 200 homes are going to be used as investment property?

• A) \(0.9099\)
• B) \(0.4066\)
• C) \(0.0934\)
• D) \(0.5935\)

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Definitions:

Behavior Modification

A treatment approach, based on the principles of operant conditioning, that replaces undesirable behaviors with more desirable ones through positive or negative reinforcement.

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The regular and habitual inhalation of smoke from burning tobacco products.

Humanistic Therapy

A therapeutic approach focusing on a person's individual nature, emphasizing personal growth and self-actualization.

Experimental Research

A research method in which an investigator manipulates one or more variables to observe the effect on some behavior or mental process.