During risk management activities, $236$ risks have been identified which are caused by $13$ root causes. Which method or structure approach would you use as a project manager to determine the root causes of a problem $?$

Question $31$ options:

A$)$

Risk response method

B$)$

Monte Carlo Simulation

C$)$

Ishikawa Method

D$)$

Cause$-$ and $-$ impact method