4. Consider the density function 0.5

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A:

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Q: Pls show a complete and detailed solution to this question :)

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A: Let's find.

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A: Hi, As per our policy, we'll answer the first question only. To prove:  E(Y) = Ex[E(Y|X)]

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Q: 4. (a) Find the area of the region under the curve f(x) (b) What the average value of f(x) : =xe-r…

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Q: Please

A: Given function is

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A: A detailed solution is given below

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A: This question related to derivative.

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