題組內容
2. (30 points) Let X and Y have the joint p.d.f.
$$f(x, y) = kx^2 e^{x-y}, 0 < x < \infty, 2x < y < 3x.$$
(d) Are X and Y independent? Explain your answer.
阿摩線上測驗
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阿摩線上測驗
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2. (30 points) Let X and Y have the joint p.d.f.
$$f(x, y) = kx^2 e^{x-y}, 0 < x < \infty, 2x < y < 3x.$$
(d) Are X and Y independent? Explain your answer.