Based on Data Obtained from the National Institute of Dental

question 3

Multiple Choice

Based on data obtained from the National Institute of Dental Research, it has been determined that 44% of 12-year-olds have never had a cavity, 35% of 13-year-olds have never had a cavity, and 25% of 14-year-olds have never had a cavity. If a child is selected at random from a group of 20 junior high school students comprising four 12-year-olds, six 13-year-olds, and ten 14-year-olds and this child does not have a cavity, what is the probability that this child is 14 years old?

• A) 0.67
• B) 0.04
• C) 0.39
• D) 0.3

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Definitions:

Restrictive Covenants

Legal agreements tied to a property that restrict the actions property owners can take, often used in employment contracts and real estate.

Neighborhood Conformity

The phenomenon where properties within a certain area tend to show uniformity in terms of appearance, value, and use due to similar societal or zoning pressures.

Square Foot Homes

A measure used to indicate the area of a residential property, typically used in real estate to describe the size of homes.

Special Warranty

A warranty in a deed that the grantor only guarantees against title defects that occurred during their ownership of the property.