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There are 8 marbles in a box, and each marble is either green or yellow. One marble is to be chosen at random from the box, without replacement, and then another marble is to be chosen at random from the box. If the first marble chosen is green, then the probability that the second marble chosen will be green is $$\frac{2}{7}$$.
Quantity A
The probability that the second marble chosen will be yellow given that the first marble chosen is yellow
Quantity B
$$\frac{4}{7}$$
C显示答案
· 相关考点
6.4.4 条件概率
6.4.4 条件概率
以上解析由 考满分老师提供。
