問題詳情

16. Marine biologists tagged and released 50 marlin. Later, fishermen caught 300 marlin, 15 of which hadtags. What is the estimate for the number of marlin in the population?
(A) 315
(B) 365
(C) 1000
(D)2500
(E)5000

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增

用户評論

【面試倒楣鬼-22幸運上後西】評論

 50/x = 15/300, x =1000 (C)