問題詳情
26. (5%) In a statistics exam, all problems are multiple-choice with 5 possible items(5選項之單選題),e.g.,( A )( B )( C )( D )( E ). Emily knew the answers to 60% of theproblems, and randomly guessed the answers for the rest of the problems. What isthe percentage of her score gained from guessing?
(A)8%
(B) 12%
(C)16%
(D) 20%
(E) unable to evaluate
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增