Question: 1. Let random variables X1 and X2 have joint density function f(x1,2)=ce, 0 2 <00, where c is a constant. (a) Are X1 and

1. Let random variables X1 and X2 have joint density function f(x1,2)=ce,

1. Let random variables X1 and X2 have joint density function f(x1,2)=ce, 0 2

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