Probability Distribution

2010-10-03 3:37 pm
In a school, probability that a boy can speak French is 0.4, a girl can speak French is 0.5. 2 boys and 2 girls are randomly selected. Random variable X is defined as the no. of students that can speak French out of the 4 selected students. Write down the probability distribution of X.

回答 (1)

2010-10-04 1:56 am
✔ 最佳答案
======================================================

圖片參考:http://img185.imageshack.us/img185/9986/38009901.png


2010-10-03 17:56:36 補充:
http://img185.imageshack.us/img185/9986/38009901.png


收錄日期: 2021-04-13 17:34:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101003000051KK00270

檢視 Wayback Machine 備份