[計量] 陳向東模擬試題一題

看板GRE作者misapig (星星太陽月亮)時間15年前 (2011/01/29 21:03)推噓4(4推 0噓 5→)

留言9則, 3人參與討論串1/1

A certain five-member committee must be assembled from a pool of five women-A,B,C,D,and E, Ane three men-X, Y and Z. what is the probability that the committee will include B,C,E,Y, and Z?? (A)1/30 (B)1/25 (C)2/35 (D) 1/15 (E)3/32 請問這題要怎麼想比較合題意??? 謝謝大家 :) 正解是(A) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 218.168.40.217

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