問題詳情

17. In the following truth table it is indicated for which combinations ofsymptoms S1 to S5 a positive or a negative decision D is made on the presenceof a disease:


 A "1" indicated the presence of a symptom, a "0" the absence. For how many different combinations of S1 to S5 it cannot be stated with certainty whether the disease is present or not?
(A) 16
(B) 23
(C) 11
(D) 7

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增