An asymptotic expression is given for the probability integral of range for samples from a symmetrical unimodal population. Its accuracy is investigated for the case of a normal parent population and ...

This is a preview. Log in through your library . Abstract Mill's ratio can be expressed, for positive values of the argument x, as the Laplace transform, with argument x, of the function e^{-1/2t^2.

REFERRING to Prof. H. C. Plummer's letter on “An Approximation to the Probability Integral,” published in NATURE of October 25, the following alternative way of ...