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2 changes: 1 addition & 1 deletion 01-Probability/Session01.Rmd
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ $$

- 兩個事件定義爲互爲獨立時 ($A$ and $B$ are said to be independent **if and only if**)
$$P(A\cap B)=P(A)P(B)$$
- 因爲從條件概率的概念我們已知<br> $P(A\cap B) = P(A|B)P(B)$ <br>所以$P(A|B)=P(A)$ 即:事件 $B$ 無法提供事件 $A$ 的任何有效訊息 (**$A, B$ 互相獨立**)
- 因爲從條件概率的概念我們已知<br> $P(A|B)=\frac{P(A\cap B)}{P(B)}$ <br>所以$P(A|B)=P(A)$ 即:事件 $B$ 無法提供事件 $A$ 的任何有效訊息 (**$A, B$ 互相獨立**)

## 賭博問題
終於來到本次話題的"重點"了。
Expand Down