11.88% confidence that the graduates of this profession must be learned and practiced a lot. , A person with knowledge and expertise. And a noble profession, etc..
11.88% confidence because those who end their careers, through learning and practicing a lot. , As someone who has the knowledge, expertise and professional honours, etc.
Ajarn % because the end user will have to go through this professional learning and training, and much more, as a person who has the knowledge, expertise, and it is a career with honor, etc.