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.

Recognize how ethnocentrism and social identity theory explain intergroup attitudes and behaviors.

Describe the effects of normative and informational influence on individuals' behavior in groups.

Evaluate the impact of goal isomorphism on goal attainment within groups.

Understand the factors that lead to intergroup conflict and strategies for its resolution.

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Definitions:

Risk Environment

An environment that lacks complete information but offers “probabilities” of the likely outcomes for possible action alternatives.

Factual Information

Data or details that are true and can be verified through evidence or observation.

Alternative Courses

Various routes or strategies available for accomplishing an objective or resolving an issue.

Decision-Making Process

A process that begins with identification of a problem and ends with evaluation of results.