Suppose the joint density function of X and Y is f(x, y) = 2e 6x , for
Question:
Suppose the joint density function of X and
Y is f(x, y) = 2e−6x, for x > 0, 1 < y < 4.
By noting the form of the joint density and without doing any calculations show that X and Y are independent. Describe their marginal distributions.
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