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P0058_Soln - Y = X 2 EY = EX 2 = x 2 p X x(29 x ∑ =-4 29...

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P0058_Soln.doc p X x (29 = 1 9 x ∈- 4,4 [ ] 0 otherwise Y = X 2 p Y y ( 29 = 2 9 y = 16 2 9 y = 9 2 9 y = 4 2 9 y = 1 1 9 y = 0 0 otherwise EY [] = yp Y y (29 y = 16 ( 29 2 9 + K + 0 (29 1 9 = 6.66 p X x (29 = 1 9 x ∈- 4,4 [ ] 0 otherwise
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Unformatted text preview: Y = X 2 EY = EX 2 = x 2 p X x (29 x ∑ =-4 ( 29 2 1 9 + K + 4 (29 2 1 9 = 6 .66...
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