If 2,000 Card-Carrying Members of a Political Party Were Randomly

question 36

Multiple Choice

If 2,000 card-carrying members of a political party were randomly sampled, and 1,600 said they wanted a change in leadership, what is the 95% confidence interval for the true population percentage for all of the card-carrying members of the party who wanted a change in leadership?

• A) 78.2% to 81.8%
• B) 78.0% to 82.0%
• C) 76.5% to 83.5%
• D) 77.7% to 82.3%
• E) less than 50%

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Definitions:

Demand Curve

A visual model that illustrates the link between the cost of a commodity and the volume of demand from buyers at those costs.

Secondary Market

A marketplace where investors buy and sell securities, such as stocks and bonds, from other investors rather than from issuing companies directly.

Ticket Price

The cost charged for admission to an event, such as a concert, movie, or sports game.

Speculators

Individuals or entities that trade securities, commodities, currencies, or other assets, not to use or consume them but rather to profit from changes in their prices.