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决赛现场条件概率

Ashley Mcarthur

Created on June 27, 2024

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Transcript

条件概率是指在已知某一事件发生的条件下,另一个事件发生的概率。用数学符号表示为 P(A|B),表示在事件 B 已经发生的前提下,事件 A 发生的概率。

假设球落在蓝色架子的概率是100% ,即当球必定落在蓝色架子上时,条件概率P(B|A)和P(A|B)会发生显著变化: