Which of the Following Statements About a Discrete Random Variable $\Sigma$

question 69

Multiple Choice

Which of the following statements about a discrete random variable and its probability distribution are true?

• A)Values of the random variable can never be negative.
• B)Negative values of f(x) are allowed as long as \(\Sigma\)f(x) = 1.
• C)Values of f(x) must be greater than or equal to zero.
• D)The values of f(x) increase to a maximum point and then decrease.

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Definitions:

Tight Supply Conditions

A market situation where the supply of a good is limited, often leading to higher prices.

Nonrivalrous Consumption

A consumption characteristic where one individual's use of a good does not reduce availability to others.

Marginal Cost

The cost incurred by producing one additional unit of a good or service.

Simultaneous Consumption

A characteristic of services that indicates they are consumed at the same time as they are produced.