亂猜的話,正確的機率? - 拼圖
By Isabella
at 2011-11-04T11:29
at 2011-11-04T11:29
Table of Contents
※ 引述《weselyong (Wesely翁)》之銘言:
: 偶然間在Google+上看到的,想說跟大家分享一下 :D
: Q: 如果你從本題的下列選項隨便挑一個答案的話,正確的機率會是多少?
: * at random, 亂選
: 1)25%
: 2)33%
: 3)25%
: 4)50%
我也覺得是 0%
題目的意思應該是:
我有 p 的機率選到 p 這個答案,則 p 是多少?
依選項:
有 50% 的機率選到 25% 不合
有 25% 的機率選到 33% 不合
有 25% 的機率選到 50% 不合
有 0% 的機率選到 0% bingo!!
故答案是 0%
--
: 偶然間在Google+上看到的,想說跟大家分享一下 :D
: Q: 如果你從本題的下列選項隨便挑一個答案的話,正確的機率會是多少?
: * at random, 亂選
: 1)25%
: 2)33%
: 3)25%
: 4)50%
我也覺得是 0%
題目的意思應該是:
我有 p 的機率選到 p 這個答案,則 p 是多少?
依選項:
有 50% 的機率選到 25% 不合
有 25% 的機率選到 33% 不合
有 25% 的機率選到 50% 不合
有 0% 的機率選到 0% bingo!!
故答案是 0%
--
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拼圖
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