1. Department of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
2. Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
3. Department of Statistics, Faculty of Commerce, Zagazig University, Zagazig 44519, Egypt
4. Faculty of Technology and Development, Zagazig University, Zagazig 44519, Egypt