Multiple Choice
Which of the following statements about a discrete random variable and its probability distribution is true?
A) Values of the random variable can never be negative.
B) Negative values of f(x) are allowed if ∑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.
Correct Answer:
Verified
Correct Answer:
Verified
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