Re: [機統] 樂透機率題目
※ 引述《magic3658 (丞)》之銘言:
老師說出他的原意 這個問題是在探討說
在數學理論中 123456 跟 問題敘述以外的號碼組合來說 中獎的是一樣的
但 123456在正常想中獎的人情況下 123456這個數字並不會有人買
為什麼呢? 以下為自己的構思 (哲學課 當然是給自己想-.-)
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之前所說的是 在於一人包牌之下
499會比500划算 但虧錢機率極大(這邊我想應該沒錯)
但如果把 包牌的所有組合(也就是會開出來的所有組合)
當成多數人集資包牌 但獎金只分給買對獎號的狀況來看(其實這句話跟單獨自己買沒差)
即使在資訊對稱下 寧願期望值減低跟別人均分
也不願去買123456
所以在499 vs 500元之中 沒有人想當那個被拋棄的一元
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