**Expected Return / Std. Deviation**

Expected Return: E(X)=P(x1)x1+P(x2)x2+â€¦â€¦.+P(xn)xn

Probabilistic variance:

Ïƒ

^{2}(x) =Â

= P(x

_{1})[x

_{1}-E(X)]

^{2}+P(x

_{2})[x

_{2}-E(X)]

^{2}+â€¦â€¦.+P(x

_{n})[x

_{n}-E(X)]

^{2}

Â

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Expected Return: E(X)=P(x1)x1+P(x2)x2+â€¦â€¦.+P(xn)xn

Probabilistic variance:

Ïƒ

= P(x

Â

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