题目内容：
一场疾病爆发， 某药企研发出两种新药， 治愈率都是4/5，现在某地出现了5例病例． 将他们分成A，B两组分别用新研发的两种药治疗，A组2人，B组3人
（1）求A组的治愈率不小于B组的治愈率的概率
（2）求这5位病人中被治愈人数的数学期望
选择题：一场疾病爆发， 某药企研发出两种新药， 治愈率都是4/5，现在某地出现了5例病例． 将他们分成A，B两组分别用新研发的两种药治疗，A组2人，B组3人（1）求A组
- 题目分类：高考
- 题目类型：选择题
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A.√2
A.√2
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