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This table below shows the joint PMF of two random variables X and Y. Find the standard deviation of Y|X=2 Y 1 2 3 X

This table below shows the joint PMF of two random variables X and Y. Find the standard deviation of Y|X=2

Y 1 2 3
X
2 0.22 0.04 0.1
4 0 0.21 0.2
6 0.11 0 0.07

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