Question 1028001
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*[illustration fe8.JPG].
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{{{P(X<3)=P(-1)+P(1)=0.250+0.250=0.5}}}
{{{P(X>=1)=P(1)+P(3)+P(5)=0.250+0.250+0.250=0.75}}}
{{{mu=2.0}}}
{{{sigma=2.291}}}