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Determine E(h) and E(Y2):

Determine var(h) and var(2):

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OUw E[%) : 3yl ya .dya 1+1 ii) Deter mine vas(%) and Vaida): We know, Va (x)-E (x2)-E(x) 341 3 +1 0 3 1: 31,.0% 21 。图勅. 3 13.0 Y.03 Vax(%) -114

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