The probability is a number between 0 and 1; the larger the probability, the more likely the desired outcome is to occur. For example, tossing a coin twice will yield "head-head", "head-tail", "tail-head", …

概率（Probability）一词来源于拉丁语“probabilitas”，又可以解释为 probity.Probity的意思是“正直、诚实”，在欧洲probity用来表示法庭案例中证人证词的权威性，且通常与证人的声誉相关。

How likely something is to happen. Many events can't be predicted with total certainty. The best we can say is how likely they are to happen,...

Dec 26, 2025 · Statistics - Probability, Random Variables, Distributions: Probability is a subject that deals with uncertainty. In everyday terminology, probability can be thought of as a numerical …

3 days ago · Definition: Probability Probability is the long-run relative frequency of an event. This is the proportion of times an outcome would occur if we repeated a random process over and over, under …

The probability of an event is a number indicating how likely that event will occur. This number is always between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Probability（英语单词，音标英 [ˌprɒbəˈbɪləti]/美 [ˌprɑːbəˈbɪləti]）指事件发生的可能性，在数学中特指用0到1区间数值量化随机事件发生几率的概率概念，复数形式为probabilities。

在數學上，事件發生的機會可用一個數來表示，稱該數為 概率 （Probability）。 我們日常所見所聞的事件大致可分為兩種：

Probability is all about how likely is an event to happen. For a random experiment with sample space S, the probability of happening of an event A is calculated by the probability formula n (A)/n (S).

Dec 17, 2025 · A Probability of 0 means an event is impossible, while a probability of 1 means it is certain. It covers fundamental concepts, formulas, and theorems to analyse outcomes in daily …