Suppose that X and Y are continuous with joint PDF {} [¹/(xy + y²) for 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1 otherwise f(x, y) = (a) Calculate P(X < 2Y). (b) Find the marginal distributions for X and Y. (c) Find E[X²Y].

Q: WOW THANKS! Can you help with question 18 too? I realized I already answered 20 after i sent it

A: Here is the solution:

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Q: Hello, I'd like to know how you did the first step. I don't understand how you got there. Thanks

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Q: okay can you also do part b now.

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A: Basic concept of discrete probability distribution are used

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A: We have given that Mean(µ) = 72.6Standard deviations (σ) = 4.78X ~ N (µ, σ )= N(72.6, 4.78)

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