-To setup a probability and impact matrix properly, what are the two (2) key elements that need to be defined? How is this usually done? -the importance of using the numbering scheme in risk matrix...

-To setup a probability and impact matrix properly, what are

the two (2) key elements that need to be defined? How is this usually done? -the importance of using the numbering scheme in risk matrix and having clarity why is that -Who decides and creates the Probability and Impact Matrix