If the Outcomes of a Discrete Random Variable Follow a Poisson

question 209

Multiple Choice

If the outcomes of a discrete random variable follow a Poisson distribution,then their:

• A)mean equals the standard deviation.
• B)mean equals the variance.
• C)median equals the variance.
• D)median equals the standard deviation.

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Definitions:

Ingroup Bias

The tendency to favor, prioritize, or support members of one's own group over others.

Mere Exposure Effect

A psychological phenomenon where repeated exposure to a stimulus increases an individual's preference for that stimulus.

Just-World Phenomenon

The cognitive bias to believe that the world is inherently fair, leading individuals to justify an unequal treatment or outcomes for others.

Ingroup Bias

The tendency to favor members of one's own group over those from external groups.