更新1:
One box is picked at random from the 3 boxes and a marble is picked at random from the box. If a blue marble is picked, find the probability that the other marble in the selected box is also blue. Pls explain with workings. Thxs alot
One box is picked at random from the 3 boxes and a marble is picked at random from the box. If a blue marble is picked, find the probability that the other marble in the selected box is also blue. Pls explain with workings. Thxs alot
收錄日期: 2021-04-24 01:05:17
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https://hk.answers.yahoo.com/question/index?qid=20180719035524AAVYyQL