咁個意思係唔係姐係話~~其實A同B係dependent既~
例如有5張卡片~分別印左1,2,3,4,5
如果A抽到個3字~咁B就絕對抽唔到3字~
咁A所做既野就直接影響B做既野~
mutually exclusive既意思係唔係姐係咁....
另外點解mutually exclusive要用addition law
而independent就要用 multiplication law
更新1:
mutually exclusive 再有補充 因為B抽唔到3字~ 咁b就抽其他數字既概率大左~~ 係唔係咁