A Major Department Store Has Determined That Its Customers Charge

question 28

Short Answer

A major department store has determined that its customers charge an average of $500 per month, with a standard deviation of $80. Assume the amounts of charges are normally distributed.
a.What percentage of customers charges more than $380 per month?
b.What percentage of customers charges less than $340 per month?
c.What percentage of customers charges between $644 and $700 per month?

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Definitions:

Obedience

The act of following orders or commands from authorities or rules, often considered a social virtue or necessity for societal organization and function.

Compliance

The act of conforming to or following rules, standards, or laws.

Direct Commands

Instructions or orders given clearly and authoritatively, requiring immediate compliance or action.

Conformity

The act of matching attitudes, beliefs, and behaviors to group norms, pressures, or expectations.