Which of Following Statements Is True Regarding the Probability Distribution

question 29

Multiple Choice

Which of following statements is true regarding the probability distribution for a discrete random variable X?

• A) The probabilities must be nonnegative.
• B) The probabilities must sum to 1.
• C) The random variable must take on positive values between 0 and 1.
• D) Both the probabilities must be nonnegative and the probabilities must sum to 1.
• E) Both the probabilities must be nonnegative and the random variable must take on positive values between 0 and 1.

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Definitions:

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Neighbors

Individuals or families living near one another. The term often implies a social relationship or community connection between those living in proximity.

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The concentration of the hormone testosterone, which plays key roles in male physical characteristics and both sexes' libido.

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