How Many Seven-Digit Phone Numbers Are Available in Area Code

question 33

Multiple Choice

How many seven-digit phone numbers are available in area code 837 if no phone number can begin with 0 and 1?

• A) 1,000,000
• B) 8,000,000
• C) 4,500,000

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Definitions:

Solomon Asch

A psychologist famous for his research on conformity, demonstrating how group pressure can make a person say something that is obviously incorrect.

Conformity

The act of matching attitudes, beliefs, and behaviors to what is considered normal or acceptable in a society or group.

Solomon Asch's Conformity Studies

A series of experiments conducted by Solomon Asch that demonstrated the degree to which an individual's own opinions are influenced by those of a majority group.

Standard Line

A reference point used in experiments, commonly in vision testing, against which comparisons are made or judgments are based.