A Bank Wishes to Estimate the Mean Credit Card Balance

question 28

Multiple Choice

A bank wishes to estimate the mean credit card balance owed by its customers. The population standard deviation is estimated to be $300. If a 98% confidence interval is used and an interval of $75 is desired,how many customers should be sampled?

• A)44
• B)212
• C)629
• D)87

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Definitions:

Free Market Forces

The natural regulatory mechanisms of a free market economy, driven by supply, demand, and competition.

Social Movement Unionism

A trend within labor movements that emphasizes broader social justice issues beyond just the workplace, linking labor struggles with other social and political movements.

Bargaining Power

The capacity of one party in a negotiation to influence the agreement terms due to its strength or position.

Labor Protection

Laws and regulations designed to safeguard workers' rights, health, and safety in the workplace.