Probability and statistics
Move from uncertain events to random variables, probability models and evidence-based statistical inference.
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A distribution records how probability is assigned to the values of a random variable, using masses, densities or a cumulative distribution function.
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Candidate from reviewed zh material v2: 视频先借天气和比特币价格说明,很多现实事件都有多个可能结果,而且每个结果都带有一定概率。在此基础上,把“概率分布”定义为描述随机事件各种结果及其可能性大小的统计学概念。它关注的不是一个单独结局,而是全部可能结局与其概率之间的关系。
Candidate from reviewed en material v2: Weather and changing Bitcoin prices illustrate uncertain events with several possible outcomes. A probability distribution describes the possible outcomes together with how likely they are. It describes the whole pattern of uncertainty rather than one isolated result.
Move from uncertain events to random variables, probability models and evidence-based statistical inference.