The following table represents the probability distribution for the random variable X, Find the value of E(X²): -2 1 P(X) 0.2 0.3 0.4 0.1 O 0.6 O 0.2 O 1.6 O 12

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A: We know, EXY=∑i∑jxi×yj×fx,y           =1×1×0.14+1×2×0.04+2×1×0.03+2×2×0.13 + 0           =0.8 From…

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A: Since you have asked multiple question, we will solve the first question for you. If you want the…

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A: We will use the expectation formula: E[X]=∑i(xipi)=0(0.23)+1(0.38)+2(0.16)+3(0.23)=1.39

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