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2. Let X U(l, 2). Which one of the following statements is true? [3 marks] Sl E(X2) C] E(X2) - C] E(X2) C] E(X2)

2. Let X U(l, 2). Which one of the following statements is true? [3 marks] Sl E(X2) C] E(X2) - C] E(X2) C] E(X2) 28 12 19 12 12 12

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