1. Department of Mathematics and Statistics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia
2. Department of Basic, Sciences Higher Institute of Administrative Sciences, Osim, Cairo 12961, Egypt
3. Faculty of Graduate Studies for Statistical Research, Cairo University, 5 Dr. Ahmed Zewail Street, Giza 12613, Egypt
4. Mathematics and Computer Science Department, Faculty of Science, Beni-Suef University, Beni-Suef 62511, Egypt
5. Faculty of Business Administration, Delta University for Science and Technology, Gamasa 11152, Egypt