Sergiu Hart氏のPDF www.ma.huji.ac.il/hart/puzzle/choice.pdf P2 の最後 “Remark. When the number of boxes is finite Player 1 can guarantee a win with probability 1 in game1, and with probability 9/10 in game2, by choosing the xi independently and uniformly on [0, 1] and {0, 1, ・・・, 9}, respectively.” つまり、意訳