Question
In: Statistics and Probability
Suppose that X and Y have the following joint probability density function. f (x, y) =...
Suppose that X and Y have the following joint probability density function. f (x, y) = (3/394)*y, 0 < x < 8, y > 0, x − 3 < y < x + 3
(a) Find E(XY). (b) Find the covariance between X and Y.
Solutions
Expert Solution
Note-here
everything is observed from graphical representation of joint pfd
of X and Y. thus, graph is important
orchestra answered 1 year agoRelated Solutions
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. The joint probability density function of X and Y is given
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0 ??ℎ??????
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Consider a continuous random vector (Y, X) with joint
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x
2
4
y
1
0.10
0.15
2
0.20
0.30
3
0.10
0.15
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Question 3
Suppose that X and Y have the following joint probability
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f(x,y)
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0
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y
0
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1
0.04
0.19
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Find the value of k that makes this a probability density
function.
Compute the probability that P(X≤3/4, Y≥1/2).
Find E(X).
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