IB MAI HL Statistics & Probability Topic 4.3 Probability (id: 6ec9e23e9)

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]
At a travel agency, a survey conducted on 92ehy2gj/ auzc3xk1y the 32 agents sho.zbz/ ne kzo/f8qe; 8tws that 18 agents can speak Spanish fluently, 12 agents speak French fluently and 8 nei8kze;zzefb /o 8nq/ .tther Spanish nor French.
1. Find the number of agents who can speak both Spanish and French fluently.
2. Find the probability that an agent chosen at random from this travel agency speaks exactly one of these two languages fluently. ≈   

参考答案: 0.563±2%


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