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。

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", …

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,...

实际上，学界很多人持有的是多元论的观点（A Pluralist View about Probability）。 根据这个观点，我们同时有客观概率和主观概率。 如果有客观概率的话，很自然地，我们还面临着如何认知这客观概 …

Probability is simply how likely something is to happen. Whenever we’re unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are. The analysis …

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).

Jan 2, 2025 · We do that by assigning a number to each event (E) called the probability of that event (P (E)). The probability of an event is a number between 0 and 1 (inclusive). If the probability of an …

概率事件 生活中充满了随机性。概率论是一门用数学语言来刻画这些随机事件的学科。一个随机事件的概率是一个介于0与1之间的实数，这个实数的大小反映了这个事件发生的可能性。因此，概率为0意味 …

Feb 14, 2026 · Statistics - Probability, Random Variables, Distributions: Probability is a subject that deals with uncertainty. In everyday terminology, probability can be thought of as a numerical …

Feb 14, 2026 · Probability is the branch of mathematics that studies the possible outcomes of given events together with the outcomes' relative likelihoods and distributions.