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Security X has expected return of 7% and standard deviation of 12%.Security Y has expected return of 11% and standard deviation of 20%.If the two securities have a correlation coefficient of -0.45,what is their covariance?
Fallacy
A false notion, especially when it's grounded in irrational argument.
Primary Circular Reactions
A developmental phase in infants from about one to four months, characterized by repeated actions that serve to build the infant's own body schema through reflexive interactions.
Acquired Adaptations
Characteristics or changes gained after birth due to environmental influences, improving an organism's ability to survive.
Mental Representations
Internal images, ideas, or concepts that stand in for objects, events, or relationships in the external world, aiding in cognitive functions like memory and reasoning.
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