12. Suppose that X and Y have a continuous joint distri- bution for which the joint p.d.f. is as follows: (x + y) for 0

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A:

Q: #46

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Q: 7. Suppose that X and Y have a continuous joint distribu- tion for which the joint p.d.f. is as…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

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Q: Please see picture

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Q: Suppose that h is continuous and h (x) dx = 12. Solve for 2 4 h(v20–4x -dx. Hint: note that h (x) dx…

A: Given that ∫24hx dx=12. Put u=20-4x. Then, du=1220-4x12-1-4 dx On simplifying, du=-220-4x dx