On Oct. 19th, 2022, Asst. Prof. Dr. Wasfi T. Kahwachi as a Viva member of the PhD Student in Statistics (Adel Abud Najim) from the College of Administration & Economics, Statistics Department, at Karbala University, the holy Karbala Governorate (Al-Ataba Al-Hussainiya city) and (Al-Ataba Al-Abbasiya city). The PhD Defense was held in (Sayed Alma’a) Hall.

Title of the PhD Thesis:

A new Slashed Lindley-Rayleigh Lifetime Power Series Distribution

The Defense committee was the following professors:

Prof. Dr. Manaf Yousif Homood Baghdad University (Chairman)

Prof. Dr. Shrooq Abdulridha Karbala University (Member)

Asst. Prof. Dr. Tariq Aziz Salih Wasit University (Member)

Asst. Prof. Dr. Wasfi T. Kahwachi Tishk International University (Member)

Asst. Prof. Dr. Mushtaq K. Abdulrahim Karbala University (Member)

Prof. Dr. Mahdi Wahab Nasrallah Karbala University (Supervisor)