討論串[理工] [機率]-請問一題
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Suppose a fair coin is tossed n times.. Each coin toss costs d dollars and the reward is obtaining X heads is. 2. aX +bx Find the expected value of th
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令 Y 表示隨機從 k+1 個硬幣抽到號碼 i 硬幣的事件，f(y) = 1/(k+1)，y=0,1,2,...,k. X|y 表示號碼 y 的硬幣出現人頭的事件，X|Y=y ~ Ber(y/k). P(在抽到號碼 i 硬幣的情況下投擲 1 次出現正面) = P(X=1|Y=i) = i/k. 令
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請問這題. There are k+1 coins in a box.. The ith coin will,when flipped,turn up head withprobability i/k. ,i=0,1,...,k . A coin is randomly slected from t
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