Explanation:
Total students:-
➝5+6+2
➝13
E=Number of fluent or beginner students
➝5+2
➝7
➝|E| / |S|
➝7/13
Total students: 5 + 6 + 2 = 13
Total students fluent or a beginner: 5 + 2 = 7
Probability of picking 1 fluent or beginner = total of fluent or beginner over total students:
7/13
3.5m questions
4.5m answers