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IB MAI HL Statistics & Probability Topic 4.3 Probability (id: e993b985d)

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admin 发表于 2024-3-5 22:56:54 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Statistics & Probability Topic 4.3 Probability,类别为 IB数学

[填空题]
There are 3 pairs of white colouredw092tq cw8v0 e8fdo7;gyp vle socks anss m..58akdb.yq47h rj;bb fc d 4 pairs of red coloured socks in a draw. Anne picks one sock from the draw at random and puts it on. She then picks another sock from the draw at random ;8b7b4rmbd.hy a j5s.f.qkcsand puts it on.
1. Complete the following tree diagram.

2.Find the probability that Anne goes for a walk in the socks of the same color.≈   




参考答案: 0.473±2%


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