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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 of52cidb o5qizm 828xhot b ab033klp n- white colvfb+.2 qqej v 8m:-dv1djd)y noured socks and 4 pairs of red coloured socks in a draw. Anne pi18m)q2n v jvyj:qvdd + -ed.fbcks one sock from the draw at random and puts it on. She then picks another sock from the draw at random and 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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