Question 929498
{{{mu=1(0.03)+2(0.14)+3(0.31)+4(0.33)+5(0.15)+6(0.04)=3.55}}}
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{{{V=sum(x^2*p)-mu^2}}}
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{{{sum(x^2*p)=1^2(0.03)+2^2(0.14)+3^2(0.31)+4^2(0.33)+5^2(0.15)+6^2(0.04)=13.85}}}
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{{{V=13.85-3.55^2=1.2475}}}
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{{{sigma=sqrt(V)=sqrt(1.2475)=highlight(1.1169)}}}