楼主:
LPH66 (-6.2598534e+18f)
2017-11-10 07:44:50题目网址: http://www.puzzleup.com/2017/
http://www.puzzleup.com/2017/puzzle/?14
答题时限: 11月９日７ＰＭ－比赛结束（约12月27日）
加分时限: 11月９日７ＰＭ－11月14日６：５９ＰＭ
答对可得基本分１００分。答案可上传５次，每改１次答案从基本分扣２０分。
比赛期间内可随时上传答案，加分时限内答对第ｎ天加（６－ｎ）分
另依题目的难易有额外加分（如有８０％的人这题答错，答对者加８０分）
◆DICE GAME
You will play a game of chance with your friend by throwing a dice repeatedly.
* Whenever 4 even numbers appear in a row, you will win.
* Whenever 4 odd numbers appear in a row, your friend will win.
* Whenever 5 even numbers appear (may not be in a row), your friend will win.
* If first and third condition occur at the same time, first condititon has
the priority.
What is your probability of winning the game?
(Enter your answer as a reduced fraction. Example: 123/4567)
你和你的朋友玩一个游戏, 重复投掷一个骰子。
* 如果连续出现四个偶数, 你赢。
* 如果连续出现四个奇数, 你的朋友赢。
* 如果出现过五个偶数 (不一定连续), 你的朋友赢。
* 若第一和第三个条件同时满足, 第一个条件优先。
试问你赢的机率为何?
(以最简分数回答，如 123/4567。)