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

question 6

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 least 175 homes are going to be used as investment property?

• A) \(0.7764\)
• B) \(0.4821\)
• C) \(0.2236\)
• D) \(0.5189\)

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Definitions:

Fire Fountains

Explosive volcanic eruptions where lava is ejected into the air in the form of a fountain due to the release of gases.

Pahoehoe Lava

A type of basaltic lava flow with a smooth, unbroken, and often rope-like surface, characteristic of some Hawaiian volcano eruptions.

Aa Lava

A type of lava flow characterized by a rough, jagged surface formed from the cooling and solidification of basaltic lava.

Vesicles

Small cavities in volcanic rocks that are formed by gas bubbles trapped during the solidification of the rock.