Exhibit 5-12

question 39

Multiple Choice

Exhibit 5-12.According to a Department of Labor report,the city of Detroit had a 20% unemployment rate in May of 2011 (Bureau of Labor Statistics,May,2011) .Eight working-age residents were chosen at random. Refer to Exhibit 5-12.What was the expected number of unemployed residents,when eight working-age residents were randomly selected?

• A)1.0
• B)1.6
• C)2.0
• D)6.4

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Definitions:

Echoes

Repetitive sounds that are heard after the original sound has been made, typically as a result of the reflection of sound waves.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood, controlling basic emotions and drives.

Engram

An assumed electrical circuit in the brain that corresponds to a memory trace.

Serial-Position Effect

The tendency to recall more accurately the first and last items in a series.