1. Department of Mathematics, Faculty of Science, Al-Azhar University, Naser city 11884, Cairo, Egypt
2. High Institute of Computer and Management Information System, First Statement, New Cairo 11865, Cairo, Egypt
3. Department of Statistics and Operation Research, College of Science, Qassim University, P.O. Box 6644, Buraydah 51482, Saudi Arabia
4. Department of Statistics and Computer Science, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
5. Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
6. Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt