IB MAI HL Statistics & Probability Topic 4.3 Probability (id: 0a7af18b0)

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]
During an exam that has a total of eight questions, Paula ln7w+l7 tg.n*.djbldi-h )t( yoj l t:correctly solved Quest(vto tp x6q2(l9b i1utions 3,4,6,7 aob px tl t92t1i(qu6v(nd 8 . During the same exam, Quentin correctly solved Questions 1,2 3,6 and 8 .
1. Represent this information on the Venn diagram below. P represents the
set of questions correctly solved by Paula. Likewise, Q represents the set of questions correctly solved by Quentin.

2. Find $n(P \cup Q)$ .   
3. Find the probability that a question at random has been solved correctly by Paula or Quentin, but not both.   

参考答案:
空格1: 7  空格2: 0.5±2% 


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