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12) Random variables X & Y have joint pmf given in the table. Y = 1...

12) Random variables X & Y have joint pmf given in the table.

Y = 1 Y = 2 Y= 3

X = 1 0.3 0.1 0

X = 2 0.1 0.3 0.2

In problem (12), determine Var(X | Y = 3) a) 2.4 b) 2.0 c) 1.4 d) .8 e) 0

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