英语概率题求助!A student estimates that the probability of hispassing Chemistry or English is 0.8,the probabilityof his passing Chemistry is 0.7,but hisprobability of passing both is 0.5.What shouldbe his estimate of the probability of his pas

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英语概率题求助!A student estimates that the probability of hispassing Chemistry or English is 0.8,the probabilityof his passing Chemistry is 0.7,but hisprobability of passing both is 0.5.What shouldbe his estimate of the probability of his pas 求助一道考研概率真题 大学概率求助, 急,求助概率试题 A student of Grade Five 英语作文 , 英语作文【a model student】60字左右 I am a bad student英语作文 〓英语〓一道关于省略与倒装的选择题〓小诺求助〓________,Jim talks a lot about him favourite pop singers after class.A.A quiet student as he may be B.Quiet student as he may be C.Be a quiet student as he may D.Quiet as he may be 求助【紧急】【Im a reporter from a student magazine什么意思?..详情: 概率题：英语15选10英语15选10,全选A的概率是多少? 求助一道有关随机事件的概率题已知AB=A拔B拔 求P(AB) 几道数学题和英语题.求助!数学：（过程）（1）：1-2+3-4+…+99-100英语：In China, we put _____ name_____.A .last;last B:first;firstC:first;last D:family;firstShe is a new student.(改为否定句）She_____a new 英语作文 to be a good student初二英语作文：To Be a Good Student 英语阅读理解题求助一定要认真 Tom was a student.He was a healthy and strong boy.He loved sports,and football is his ____31___ .Tom had never felt ill,but yesterday he didn’t get up until his mother ___32____ him up.His mother asked him 求助英语题13-17 英语填空题求助啊... 求助英语题阅读选择 5道英语题求助