A New Approximation to the Cumulative Normal Distribution and its Inverse

Approximations to the Distribution of Weighted Log-Normal Variates

Approximating the Characteristic Function of the Student's Distribution

Estimation of the Lognormal Distribution Function

An Approximation for the First Inverse Moment of the Positive Binomial and Poisson Variables

Limit Theorems for Lower-Upper Extreme Values from Two-Dimensional Distribution Function

ADDITIONAL EXTREME DISTRIBUTION FOR MODELING EXTREME VALUE DATA

Choosing between Normal and Poison Approximations to the Cumulative Binomial Probabilities: A new method

Testing Inverse Gaussian Versus Log Normal

Prediction Bounds in Weibull Distribution: An Alternative Approach