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19 拋擲一枚沒有偏差(也就是出現正面或反面機會都相等)的銅板二次,已知其中一次出現正面,則這二次拋擲都是出現正面的機率為何?(A) 1 (B) 1/2 (C) 1/3 (D) 1/4
問題詳情
19 拋擲一枚沒有偏差(也就是出現正面或反面機會都相等)的銅板二次,已知其中一次出現正面,則這二次拋擲都是出現正面的機率為何?
(A) 1
(B) 1/2
(C) 1/3
(D) 1/4
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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