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A bag contains 13 blue pens and 3 red pens. Two pens are to be randomly selected from the bag, one at a time and without replacement. What is the probability that both of the pens selected will be blue?
Give your answer as a decimal.
Give your answer as a decimal.
0.65 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。
