4. Consider the following joint probability distribution of random variables X and Y f(x, y) = (3x – y)/9 = 0 Find P(1 < X < 2 : Y = 2) 1< x < 3,1 < y< 2 elsewhere

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Q: Suppose the discrete random variable X has probability function 1. px(1) I = 1,2, 3, I(I +1)"

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A: We know that the total probability is always 1.  So,  k+0.15+0.35+0.15+0.2+0.1=1

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Q: 2. Consider the two discrete random variables X and Y with joint distribution given below: a b 1…

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A: Here joint distribution of x and y is given and for marginal of represent as h(y) And for q.30 use…

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Q: Given that f(x, y) = (2x+2y)/2k if x = 0,1 and y = 1,4, is a joint probability distribution function…

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Q: 11.24 question attached. Thank you for answering my question!

A: From the given information, it can be observed that there are n observations in the treatment group…