我完全唔明tree diagram攞黎做乜呀,又唔識畫,有冇人可以清楚咁解釋比我聽呀?!
我有一條問題唔識!
Bag A contains 2red,2yellow,1blue ball; BagB contains 1red,1yellow.
if one ball is chosen from bag A and one ball is chosen from bagB randomly,
*draw a tree diagram to represent all the possible outcomes..
thank you!!