This is actually a comment, but reputation lacks so I do it with an answer (that will be deleted after some time).
**What is your question?**
**edit** :
Place your comment on this 'answer' in your question.
**edit2** (real answer)
If I understand well then $7$ scholarships $B$ are divided over $18$ persons. Johan is one of the $18$ persons and has probability $\frac{7}{18}$ to get a scholarship $B$.