3. 抽獎：存在如何描述(表達)后果的實(shí)際價(jià)值,以便反映決策的人偏好次序(preference order)的問(wèn)題而效用(Utility)就是偏好的量化,是數(實(shí)值函數).又考慮了各種后果的概率(probability or likelihood)分布iii,抽獎(lottery)與確定當量.公理1
lottery詞典解釋
1. （通過(guò)發(fā)行彩票方式的）抽彩給獎法，博彩 A lottery is a type of gambling game in which people buy numbered tickets. Several numbers are then chosen, and the people who have those numbers on their tickets win a prize.
e.g. ...the national lottery. 國家博彩
2. 聽(tīng)天由命的事；全憑運氣的事 If you describe something as a lottery, you mean that what happens depends entirely on luck or chance.
e.g. The stockmarket is a lottery... 股市買(mǎi)賣(mài)全看運氣。 e.g. Which judges are assigned to a case is always a bit of a lottery. 一個(gè)案子安排哪些法官來(lái)審理，往往有點(diǎn)看運氣。
lottery英英釋義
noun
1. players buy (or are given) chances and prizes are distributed by casting lots