1. Hazem Al-Mofleh:
Division of Science and Mathematics, Eureka College, Eureka, IL 61530, USA; Department of Mathematics, Tafila Technical University, Tafila 66110, Jordan
2. Ekramy A. Hussein:
Department of Statistics, Al-Azhar University,Nasr City 11651,Egypt
3. Ahmed Z. Afify:
Department of Statistics, Mathematics and Insurance, Benha University,Benha 13511,Egypt
4. Badr Alnssyan:
Department of Management Information Systems and Production Management, College of Business and Economics, Qassim University,Buraydah 51452,Saudi Arabia
5. Ashraf D. Abdellatif:
Department of Technological Management and Information, Higher Technological Institute,10th of Ramadan City,Egypt