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Calculate Phi (1001)  

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hala718 eNotes educator | Certified Educator

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I believe (phi) in your question means the normal probability destiny function, then, here is the formula:

`Phi(x) = (2pi)^(-1/2) e^-(x^2/2)`

`==> Phi(1001)= (2pi)^-(1/2) e^-(1001^2/2)`

`==> Phi(1001)= (2pi)^-(1/2) e^-501000.5`

`==> Phi(1001)= 1/(sqrt(2pi) e^(501000.5))`


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