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If X and Y are random variables with Var(X) = 7.5,Var(Y) = 6 and Cov(X,Y) = 4,then Var(2X + 3Y) is:
Max Weber
A German sociologist, philosopher, and political economist known for his theory of social and economic organization and his ideas on the development of capitalism.
Social Class
refers to divisions in society based on economic, cultural, or social status which impact individuals' opportunities, lifestyles, and attitudes.
Economic Decline
A period where an economy experiences a decrease in its overall output or economic activity.
Middle-Class
A socioeconomic group that falls between the working class and the upper class, typically characterized by moderate income, education, and a certain level of economic security.
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