今天上课,老师提了一个问题:甲乙二人分别抛硬币n+1,n次,问甲抛的正面向上的次数大于乙的概率这个题目我想了半天都没想出好办法解出来,感激不尽假如 P(甲正>乙正)=0.5,则1-P(甲正>乙正)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 05:56:45
![今天上课,老师提了一个问题:甲乙二人分别抛硬币n+1,n次,问甲抛的正面向上的次数大于乙的概率这个题目我想了半天都没想出好办法解出来,感激不尽假如 P(甲正>乙正)=0.5,则1-P(甲正>乙正)](/uploads/image/z/10122476-68-6.jpg?t=%E4%BB%8A%E5%A4%A9%E4%B8%8A%E8%AF%BE%2C%E8%80%81%E5%B8%88%E6%8F%90%E4%BA%86%E4%B8%80%E4%B8%AA%E9%97%AE%E9%A2%98%EF%BC%9A%E7%94%B2%E4%B9%99%E4%BA%8C%E4%BA%BA%E5%88%86%E5%88%AB%E6%8A%9B%E7%A1%AC%E5%B8%81n%2B1%2Cn%E6%AC%A1%2C%E9%97%AE%E7%94%B2%E6%8A%9B%E7%9A%84%E6%AD%A3%E9%9D%A2%E5%90%91%E4%B8%8A%E7%9A%84%E6%AC%A1%E6%95%B0%E5%A4%A7%E4%BA%8E%E4%B9%99%E7%9A%84%E6%A6%82%E7%8E%87%E8%BF%99%E4%B8%AA%E9%A2%98%E7%9B%AE%E6%88%91%E6%83%B3%E4%BA%86%E5%8D%8A%E5%A4%A9%E9%83%BD%E6%B2%A1%E6%83%B3%E5%87%BA%E5%A5%BD%E5%8A%9E%E6%B3%95%E8%A7%A3%E5%87%BA%E6%9D%A5%2C%E6%84%9F%E6%BF%80%E4%B8%8D%E5%B0%BD%E5%81%87%E5%A6%82+P%EF%BC%88%E7%94%B2%E6%AD%A3%3E%E4%B9%99%E6%AD%A3%EF%BC%89%3D0.5%2C%E5%88%991-P%28%E7%94%B2%E6%AD%A3%3E%E4%B9%99%E6%AD%A3%29)
xTRA6r"j;ܧH>`J~`K
PeqxLf/4>TeHsmki6(PZn9X,5xӳ&nY#qM9da :ey|ztFP
S%𨓟*wx(M̈6pBZ#*8W~2xO !Dy[}J@<xnV>ν'~KkADGA^8!י"JeA+xT?eAE
9Ys=x
cROe6i\!ۏ=^P1^lqhxE&S,9=}-G5KS酦N5whr@ALQnZsőe^
G
pjh߿a9ɋvQ]nhב,/A]S{<
4;%:>~hʫ]^j,~0!w"Bz (K/«Еh QkE qy4ĢOsu<93B$hj艿1wHfa(TFvi6w̳.{Ҭ3i" hOFnywB 5YGNY 2gE]Y 6iJokV`}