Description Usage Arguments Value References

For *Z ~ N(0, 1)*, we have the approximation
*P(Z ≥ z) \approx *`magicfun(z)*exp(-z^2/2)`

.

1 | ```
magicfun(z)
``` |

`z, ` |
the number where the function is evaluated. |

This function returns the value of the function evaluated at `z`

.

Bryc, Wlodzimierz. "A uniform approximation to the right normal tail integral." Applied mathematics and computation 127.2 (2002): 365-374.

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