I just rolled a six-sided die a few times. I rolled: six, five, five, six, five. My question is: do you think the die is biased? One way to think about that question is to ask how likely I would be to roll only fives and sixes completely by chance. Not that likely: the odds are 242 to 1 against.
我剛剛搖了幾次六面骰子，搖出的結(jié)果是：6、5、5、6、5。我的問(wèn)題是：你覺(jué)得這個(gè)骰子有偏向性嗎？一種思路是，考慮在純隨機(jī)情況下只搖出5和6的概率。概率不大：242分之1。
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