以下條數想問嘜(我唔多明佢點解,請先解題目問嘜),點解要咁做,問題1與2有嘜分別 ? 請用中文詳細解釋, 因為我完全唔明.
(不要網址回答)
1. Among the 5 puppies, how many combinations are there for two male and three female dogs to occur ?
答案 : 5C2 = 10
2. Find the probability that 2 of the 5 puppies are male and 3 of them are female.
答案 : 10/2^5