1号箱中有两个白球和四个红球,2号箱中有5个白球和三个红球,现随机地从1号箱中取出一球放入2号箱中,然后从2号箱随机取出一球,问从2号箱取出红球的概率是多少?问:P(AB)怎么算?A=从一号
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/17 04:21:41
![1号箱中有两个白球和四个红球,2号箱中有5个白球和三个红球,现随机地从1号箱中取出一球放入2号箱中,然后从2号箱随机取出一球,问从2号箱取出红球的概率是多少?问:P(AB)怎么算?A=从一号](/uploads/image/z/12598267-67-7.jpg?t=1%E5%8F%B7%E7%AE%B1%E4%B8%AD%E6%9C%89%E4%B8%A4%E4%B8%AA%E7%99%BD%E7%90%83%E5%92%8C%E5%9B%9B%E4%B8%AA%E7%BA%A2%E7%90%83%2C2%E5%8F%B7%E7%AE%B1%E4%B8%AD%E6%9C%895%E4%B8%AA%E7%99%BD%E7%90%83%E5%92%8C%E4%B8%89%E4%B8%AA%E7%BA%A2%E7%90%83%2C%E7%8E%B0%E9%9A%8F%E6%9C%BA%E5%9C%B0%E4%BB%8E1%E5%8F%B7%E7%AE%B1%E4%B8%AD%E5%8F%96%E5%87%BA%E4%B8%80%E7%90%83%E6%94%BE%E5%85%A52%E5%8F%B7%E7%AE%B1%E4%B8%AD%2C%E7%84%B6%E5%90%8E%E4%BB%8E2%E5%8F%B7%E7%AE%B1%E9%9A%8F%E6%9C%BA%E5%8F%96%E5%87%BA%E4%B8%80%E7%90%83%2C%E9%97%AE%E4%BB%8E2%E5%8F%B7%E7%AE%B1%E5%8F%96%E5%87%BA%E7%BA%A2%E7%90%83%E7%9A%84%E6%A6%82%E7%8E%87%E6%98%AF%E5%A4%9A%E5%B0%91%3F%E9%97%AE%EF%BC%9AP%EF%BC%88AB%EF%BC%89%E6%80%8E%E4%B9%88%E7%AE%97%3FA%3D%E4%BB%8E%E4%B8%80%E5%8F%B7)
xRN@.6Ii[ CbH
#ucLDHӁU;-Ju]=sJikFO
8=Y5i
Qc5B3^5g;/F(O[6s
Wz<%V}m+EZvFa>%Y2^>AO^ɳ
b8:u
*>fQkƀ"jXNr
a5.jDRPp܄RBI5r*AiA࡞T"yWJqO#_̐
fAǭxM'0B