When randomly choosing two cards from a standard deck of cards without replacement, what is the probability of choosing a face card and then an ace?
Question 6 options:
3/221
3/169
4/221
9/169
Please help?
2017-03-28 4:50 am
回答 (2)
2017-03-28 4:56 am
(12/52)*(4/51)= 4/221
2017-03-28 4:52 am
(3/13)*(4/51) = (1/13)*(4/17) = 4/221.
收錄日期: 2021-04-24 00:19:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20170327205013AA6G7AE