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3.从某家电子产品商店一周的交易数据中可知，1万名顾客中有350名同时购买了电视和电脑。 a.What is the probability for that week a customer would buy a TV and a Computer together? 一名顾客在那一周同时购买电视和电脑的概率是多少？ b.From the same week, if 1000 customers bought TV, what is the conditional probability that given a customer bought a TV, he or she will buy a Computer? 如果那一周有1000名顾客购买了电视，那这些顾客同时购买一台电脑的条件概率是多少？
理解问题3.从某家电子产品商店一周的交易数据中可知，1万名顾客中有350名同时购买了电视和电脑。 a.What is the probability for that week a customer would buy a TV and a Computer together? 一名顾客在那一周同时购买电视和电脑的概率是多少？ b.From the same week, if 1000 customers bought TV, what is the conditional probability that given a customer bought a TV, he or she will buy a Computer? 如果那一周有1000名顾客购买了电视，那这些顾客同时购买一台电脑的条件概率是多少？
已完成理解「3.从某家电子产品商店一周的交易数据中可知，1万名顾客中有350名同时购买了电视和电脑。 a.What is the probability for that week a customer would buy a TV and a Computer together? 一名顾客在那一周同时购买电视和电脑的概率是多少？ b.From the same week, if 1000 customers bought TV, what is the conditional probability that given a customer bought a TV, he or she will buy a Computer? 如果那一周有1000名顾客购买了电视，那这些顾客同时购买一台电脑的条件概率是多少？」
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3.从某家电子产品商店一周的交易数据中可知，1万名顾客中有350名同时购买了电视和电脑。
a.What is the probability for that week a customer would buy a TV and a Computer together? 一名顾客在那一周同时购买电视和电脑的概率是多少？
b.From the same week, if 1000 customers bought TV, what is the conditional probability that given a customer bought a TV, he or she will buy a Computer? 如果那一周有1000名顾客购买了电视，那这些顾客同时购买一台电脑的条件概率是多少？不在提醒