一个停车场有5个车位,任意停放"A","B","C","D","E"轿车各一辆,试求下列事件的概率.

问题描述:

一个停车场有5个车位,任意停放"A","B","C","D","E"轿车各一辆,试求下列事件的概率.
1."A"轿车停在边上
2."A"轿车和"B"轿车都停在边上"
3."A"轿车或"B"轿车停在边上
确切的给我正确的答案
2楼的1829118确定咯?

1."A"轿车停在边上 40%
2."A"轿车和"B"轿车都停在边上 10%
3."A"轿车或"B"轿车停在边上 80%