THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

question 257

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
The following table displays the joint probability distribution of two discrete random variables X and Y.
-Compute the expected value for X.

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Definitions:

Dominance Hierarchy

Social system in which resources and mating opportunities are unequally distributed within a group.

Social Group

A collection of individuals who interact with one another, share similar characteristics, and collectively have a sense of unity or identity.

Selfish Herd

A concept in social evolution where individuals in a group position themselves to minimize their individual risk from predators, often leading to clumping behavior.

Leks

Social systems or gatherings in some species where males congregate to engage in competitive displays and courtship behavior to attract mates.