for (TechnicalQuestion q:TechnicalQuestions.QUESTIONS) {
if (questionFilter.accept(q)) {
String id = q.getId();
answered = answered + responses.answered(id).notDuplicated(id).size();
anwseredCorrectly = anwseredCorrectly + responses.answered(id).notDuplicated(id).answeredCorrectly(id).size();
}
}
return ((double)anwseredCorrectly)/((double)answered);