If Canadian purchases of foreign assets were $100 million, Canadian loans to foreigners were $50 million, foreign purchases of Canadian assets were
October 11, 2020
Let us assume two students must prepare a presentation for their marketing class. As part of their class presentation, they must do a series of…
October 11, 2020
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A fair die is rolled 2 times. Let X1 and X2 denote the number of points showing on the first and second rolls, respectively. Let U=X1+X2 and V=X1-X2….

A fair die is rolled 2 times. Let X1 and X2 denote the number of points showing on the first and second rolls, respectively. Let U=X1+X2 and V=X1-X2.(a)Find the mean and variance of V.(b)Find the covariance of U and V.(c)Show that U and V are not independent

 

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