Question: 3. This is a question that is based on Chapter 3. (a) Over the circle r' + y' g. This is a question that is

3. This is a question that is based on Chapter 3. (a) Over the circle r' + y'

g. This is a question that is bzwed on Chapter 3. (a) Over the circle +- r2, random variables X and Y have the PDF i. What is the marginal PDF rx ii. What is the marginal PDF fy (b) Random variables X and Y have joint PDF fxx(r, u) i. What is fy(y)? ii. What is fxIY(ly)? iii. What is E[XIY = iv. Use the preceding parts to find E[XI. (c) Random variables X and Y have joint PDF Let A = {Y 1/4} be an event. 1. What is the conditional PDF fx II. What is Ill. What is EVIA]? lv. What is AJA v. What is E[XIAI?

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