Which of the Following Statements Is True

question 126

Multiple Choice

Which of the following statements is true?

• A)Probabilities must be negative.
• B)Probabilities must be greater than 1.
• C)The sum of all probabilities for a random variable must be equal to 1.
• D)The sum of all probabilities for a random variable must be equal to 0.

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Definitions:

Domestic Price

The price at which goods and services are sold within the internal market of a country.

Elasticities of Supply and Demand

A measure of how much the quantity supplied or demanded of a good responds to a change in price.

Gains From Trade

Gains from trade refer to the net benefits that countries or individuals obtain by selling what they produce and buying what they consume more efficiently through trade.

International Trade

The exchange of goods and services between countries, driven by comparative advantage and resulting in increased economic efficiency.