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

question 63

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)Some 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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