Contents ...
udn網路城邦
Real Challenge 4.4.3.
2017/07/04 06:05
瀏覽45
迴響0
推薦0
引用0
標題:

Real Challenge 4.4.3.

發問:

Real Challenge 4.4.3. When two cards are drawn from a usual deck of 52 poker cards, what is the probability of getting a "blackjack"? (That is, an ace together with a K, Q, J or 10) Answer:

最佳解答:

When two cards are drawn from a usual deck of 52 poker cards, what isthe probability of getting a "blackjack"? (That is, an ace togetherwith a K, Q, J or 10) SOL 分母=C(52,5)=52!/(5!*47!)=52*51*10*49*2 分子=C(4,1)*C(4,1)*C(4,1)*C(4,1)*C(4,1)=4^5 P=分子/分母 =4^5/(52*51*10*49*2) =64/162435 Answer:

aa.jpg

 

此文章來自奇摩知識+如有不便請留言告知

其他解答:

Required probability = 4C1 * (4*4C1) / 52C2 = 32/663
你可能會有興趣的文章:

限會員,要發表迴響,請先登入