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7-3.a: 條件機率分佈與失憶性 (上)

Course video 20 of 38

上週提到離散的隨機變數期望值,本週我們會談到離散的隨機變數期望值該怎麼算出來?在 7-2 和 7-3 我們會了解隨機變速的函數、條件的幾率分佈、和失憶性──之前我們有提到 Geometric Distribution 跟Exponential 都是失憶性的這種幾率分佈,那什麼叫失憶性 (Memoryless) 呢?

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