What are the likelihood of sufficiency and likelihood of necessity? how does an expert determine values for ls and ln?

The likelihood of sufficiency, or also called LS represents measure of the expert belief in hypothesis if evidence is present. On the other hand, likelihood of necessity, also known as LN is a measure of discredit to hypothesis if evidence is missing. Something that is very important is that the domain expert must provide these values.

He was probably very upset and disapointed and mad. all at once. so he probably wanted to show his disapointment, angryness, and depression. he didn't think of the affects due to the minor issue thst he has gone through. sorry if it doesn't . but i am trynna people.