Question: A DRV X has a PDF fx(x) = 0.28(x) + 0.58(x 4) + 0.38(x- 6 1. What is the expected value E[X]? 2. What

A DRV X has a PDF fx(x) = 0.28(x) + 0.58(x 4)

+ 0.38(x- 6 1. What is the expected value E[X]? 2. What

A DRV X has a PDF fx(x) = 0.28(x) + 0.58(x 4) + 0.38(x- 6 1. What is the expected value E[X]? 2. What is the variance o? Problem 9: Two CRV X and Y have a joint PDF given by fxv (x, y) = K(x + 1)(Y + 0.5)rect 5) rect(y) 1. Find K ? 2. Find the probability of the event {X < 1/2nY > 0} 3. Find the marginal PDFS. 4. Find E[XY]

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