The Function $p ( x ) = e ^ { β _ { 0 } + \beta _ { 1 } x } / \left[ 1 + e ^ {β _ { 0 } + \beta _ { 1 } x } \right]$

Short Answer

The function $p ( x ) = e ^ { β _ { 0 } + \beta _ { 1 } x } / \left[ 1 + e ^ {β _ { 0 } + \beta _ { 1 } x } \right]$
has been found quite useful in many applications. This function is well known as the ___________function.