GMAT 考满分题库

- 数学PS -
Three bags, A,B,C, contain balls of the same size. There are 9 white balls and 1 green ball in A. There are 8 white balls and 2 green balls in B. There are 7 white balls and 3 green balls in C. A ball is taken randomly from each bag. What's the probability of taking at least one white ball?
  • A0.94
  • B0.994
  • C0.9994
  • D0.99994
  • E0.999994
显示答案
正确答案: B

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问