Are X and Y independent? O No, p(x,y) # p(x)p(y) for x = 1, 3 and y O Yes, p(x,y) = p(x)p(y) for x = 1 and y O No, p(x,y) # p(x)p(y) for x = 0, 2, 3 and y O No, p(x,y) # p(x)p(y) for x = 0, 1, 2, 3 and y O No, p(x,y) # p(x)p(y) for x = 0, 1 and y O No, p(x,y) # p(x)p(y) for all pairs of x and y O Yes, p(x,y) = p(x)p(y) for all pairs of x and y %3D

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Consider the joint pmf p(x,y) and marginal pmfs p(x) and p(y) for two discrete random variables X and Y as displayed
in the table below.
X
p(x,y)
1
2
3
p(y)
1
0.125
0.0625
0.1875
0.125
0.5
Y
2
0.0625
0.0625
0.125
0.25
0.5
p(x)
0.1875
0.125
0.3125
0.375
1
Transcribed Image Text:Consider the joint pmf p(x,y) and marginal pmfs p(x) and p(y) for two discrete random variables X and Y as displayed in the table below. X p(x,y) 1 2 3 p(y) 1 0.125 0.0625 0.1875 0.125 0.5 Y 2 0.0625 0.0625 0.125 0.25 0.5 p(x) 0.1875 0.125 0.3125 0.375 1
Are X and Y independent?
No, p(x,y) # p(x)p(y) for x = 1, 3 and y
O Yes, p(x,y) = p(x)p(y) for x = 1 and y
No, p(x,y) + p(x)p(y) for x = 0, 2, 3 and y
No, p(x,y) + p(x)p(y) for x = 0, 1, 2, 3 and y
No, p(x,y) = p(x)p(y) for x = 0, 1 and y
O No, p(x,y) # p(x)p(y) for all pairs of x and y
O Yes, p(x.y) = p(x)p(y) for all pairs of x and y
O O O
Transcribed Image Text:Are X and Y independent? No, p(x,y) # p(x)p(y) for x = 1, 3 and y O Yes, p(x,y) = p(x)p(y) for x = 1 and y No, p(x,y) + p(x)p(y) for x = 0, 2, 3 and y No, p(x,y) + p(x)p(y) for x = 0, 1, 2, 3 and y No, p(x,y) = p(x)p(y) for x = 0, 1 and y O No, p(x,y) # p(x)p(y) for all pairs of x and y O Yes, p(x.y) = p(x)p(y) for all pairs of x and y O O O
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