ALI ALGARNI1, ABDULLAH M. ALMARASHI1 AND S. ABDEL-KHALEK2,3
1Statistics Department
King Abdulaziz University
Jeddah, 21589 Saudi Arabia
2Mathematics and Statistics Department
Taif University
Taif, 21974 Saudi Arabia
3Mathematics and Statistics Department
Sohag University
Sohag, 82524 Egypt