100+ câu Trắc nghiệm Đánh giá cảm quan thực phẩm có đáp án - Phần 6

In a triangle test, the number of correct answers is 20 out of 30. The number of testers who can really distinguish the samples is approximately:

12/25

In a triangle test, the number of correct answers is 20 out of 30. The number of testers who can really distinguish the samples is approximately:

5

20

10

15

Giải thích

Chọn đáp án D.