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IB MAI HL Statistics & Probability Topic 4.3 Probability (id: 44359e96d)

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admin 发表于 2024-3-6 20:44:29 | 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

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Samantha collects a bpoz 53p i:zu/*u4cb24r hb 6c+yhouoxasket x;12frma g0(dpfn9s xof apples, however only 80 \% of them are ripe. The probability that a ripe apple has a worm inside the apple is p . The probability that an unripe apple has a wor 1rm sd2(gxn;0fp9xfa m inside the apple is 0.1 .
1. Complete the following tree diagram.


2.Find the value of p, assuming that exactly half of all apples have worms inside.   




参考答案: 0.6±2%


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